It's staring you right in the face but you're not sure what it means. Maybe it's nothing at all. On the other hand, it might be the one clue that's the answer. It's the clue that hints to a major plot twist or ending. Maybe you noticed it or maybe it just slipped by.

Movies make fans laugh, cry and surprise them to their very core. Some films feature the most surprising plots twists in movie history. However, these movies drop a few clues and hints for fans to notice. Fans watch the same movie thousands of times. They hope to find hidden clues deep in the film. In fact, many filmmakers purposely hide a few clues in their movies. Some of the most famous movies feature a hidden clue that fans missed. These iconic films are already classics but the clues take it to a whole new level.

Some clues are obvious and hiding in plain sight. However, most clues are hiding so well it's impossible to see them. As a matter of fact, many spoilers are hiding at the start of the movie. In some cases, it's easy to miss the hidden clue. Often, the scene means nothing until the very end. It's then that fans jaws drop and their eyes open wide. They can't believe what they just saw. It's time to take a closer look at these classic movies to find the hidden clues. Some jump right out at us and others keep hiding.

Here are 10 Spoilers Fans Missed At The Start Of Iconic Movies (And 10 That Were Obvious).

OBVIOUS - SHUTTER ISLAND - CHUCK FUMBLES WITH HIS HOLSTER

U.S. Marshals Teddy and Chuck travel to Shutter Island to investigate a missing person case. They're searching for an escaped patient from the island's mental health facility. The twist ending shocked viewers all over the world. Teddy ends up being the patient at the hospital and Chuck is his doctor.

This was all role-playing to help Teddy cope. The ending was a surprise but there was an obvious clue. At the start, Chuck and Teddy hand over their weapons, but Chuck fumbles with his gun holster. Teddy gives him a confused look but moves on. A U.S. Marshal would certainly know how to handle their weapon. This was a subtle hint at the big plot twist.

MISSED - RESERVOIR DOGS - MR. ORANGE RATS OUT MR. PINK

Reservoir Dogs depicts the aftermath of a botched diamond heist. The criminals blame each other and become suspicious. In fact, the robbers are correct since one of them is a police officer. In the surprising twist, Mr. Orange turns out to be an undercover cop.

In the opening scene, there's a tiny clue that hints at the twist. The gang enjoys a hearty breakfast before the heist. Joe agrees to pay for the meal as long as the other guys cover the tip. However, Mr. Pink didn't like the service and refuses to pitch in. Mr. Orange immediately rats out Mr. Pink to Joe for not pitching in. It's a subtle clue that most fans missed.

OBVIOUS - SHAUN OF THE DEAD - ED'S DIALOGUE

Shaun of the Dead proves there's no easy way to survive a zombie attack, so you might as well have a few drinks to pass the time. The film is filled with obvious hints and clues. Of course, the most notable is the dialogue that spoils the film's plot. Ed plans their night and notes that they should have a Bloody Mary first.

Mary is the name of the first zombie to attack them. Then they get a bite at King's head and a "couple" at The Little Princess. Shaun's stepfather is bitten in the neck and they save a couple living with Shaun's ex, "Princess" Liz. To end the night, Ed states, "stagger back here and bang... back at the bar for shots. " In fact, the film ends with an epic encounter with the zombies at the bar.

MISSED - THE AVENGERS - THE GALAGA GAME

The Avengers brings together the most famous superheroes into one movie; Captain America, Thor, Hulk, Black Widow and Iron Man team up for the first time, although, they're reluctant to be a team. Early in the film, Tony Stark is his normal witty self and cracks a bunch of jokes.

He makes an offscreen joke at an employee that actually spoils the climax. Tony states, "That man is playing Galaga! He thought we wouldn't notice. But we did." Later, there's a quick shot of the employee playing the game. In the game, the player defends earth from invading aliens. In fact, this happens in the climax and resembles the game. It's an easy clue to miss since it just seems like Tony being Tony.

OBVIOUS - 21 JUMP STREET - TOM HANSON REVEALS HE'S A DEA AGENT

21 Jump Street's an adaptation of the TV show of the same name. The plot follows two police officers that go undercover as high school students. Early in the film, Morton and Greg are working as bike cops. They run into a biker gang that they meet again later.

During the scene, one of the gang members notes that if Morton and Greg are cops that he's in the DEA. This line actually spoils a major plot twist later in the movie. In the climactic scene, that very gang member reveals himself as Tom Hanson, portrayed by Johnny Depp. In fact, Depp reprises his role as Hanson from the TV series. Hanson's a DEA agent working undercover.

MISSED - THE SHINING - DANNY'S TOY PREDICTS HALLORAN'S FATE

The Shining is one of the scariest films ever made. The classic horror movie continues to terrify viewers. However, the brilliant film has all kinds of clues hidden in it. There are several hints that are dropped throughout the movie. In fact, most of the clues are pretty easy to miss.

At one point, Jack staggers through the motel and his son's toys are all over the place. Jack passes a teddy bear laying on the floor. It seems like just a toy but it is actually a big clue. In fact, it reveals Hallaron's fate. Later in the movie, Hallaron's is eliminated and his body's found in the exact same location as the doll earlier.

OBVIOUS - TOTAL RECALL - OFF HANDED REMARK SPOILS PLOT

Fans still debate the ending of Total Recall. Some feel it was real and others think it was a dream. In the movie, Doug Quaid goes to a company called Rekall and has false memories implanted. He picks the secret agent package but it turns out he's really a secret agent.

At one point, a Rekall employee makes a comment that spoils the plot. He notes the package is about saving the girl, taking out the bad guys and saving the planet. This is exactly what Doug goes through. As he sets up the process, he also comments that he never saw Mars with a blue sky. This spoils the ending and it is a major twist. It's a big hint that the movie wants viewers to catch.

MISSED - MEMENTO - A QUICK SHOT OF LEONARD AS SAMMY

The cult classic Memento follows Leonard who has short-term memory loss. He searches for the person who took down his wife, and tattoos the clues on his body. However, director Christopher Nolan spoils the twist early in the film but most fans missed it. Leonard tells a story about a man named Sammy.

Sammy accidentally takes out his wife and ends up in a mental health facility. In the scene, there's a shot of Sammy in the hospital with several doctors passing by. It then cuts to Leonard on the phone and cuts back to Sammy. Fans that look closely will notice there's a split second where Leonard replaces Sammy in the hospital. Don't blink or you'll miss it. This was actually a major clue that informed viewers that Lenny and Sammy are the same person.

OBVIOUS - PSYCHO - THE STUFFED BIRDS

Norman Bates seems like a regular nice guy that runs the Bates Motel and keeps to himself. Of course, he's hiding a dark secret. Alfred Hitchcock's Psycho is a classic horror film that changed the genre.

The film features the famous shower scene and twist ending. At the time, the ending had viewers running out of the theatre. Throughout the film, Norma Bates is just a shadow in the window. Later, the film reveals that Norman took down his mother and now dresses up like her. In fact, she's a rotting corpse in the cellar. However, Norman reveals the twist when he first meets Marion Crane. Norman states his mother is "as harmless as one of those stuffed birds". In fact, the room's filled with stuffed animals on the wall. This clue reveals his mother's true fate.

MISSED - GUARDIANS OF THE GALAXY - THE GIVING TREE

Guardians of The Galaxy hit theatres in 2014 and quickly became a hit. It drops a very subtle hint at the start of the movie. This clue leads to a surprising and heartbreaking discovery. Early in movie, Peter Quill calls Groot The Giving Tree.

Indeed, The Giving Tree is a popular book about an Apple Tree. Quill's reference is a hint about Groot's fate. In The Giving Tree, the tree loses its apples and branches until its only a stump. It makes this sacrifice for its friend The Boy and Groot goes on a very similar journey. He grows flowers, helps Rocket and loses his branches. In the end, he sacrifices his life for his friends.

OBVIOUS - JAWS - THE SUUBA TANK

This clue jumps out like Jaws attacking a victim, it is very hard to miss. The horror flick Jaws had viewers avoiding the beach for months. In the climactic scene, Brody tosses a Scuba tank in the shark's mouth. He then shoots it, which causes a big explosion.

However, most fans should have seen that coming. In fact, the movie tells viewers that will happen. Earlier in the film, Brody and Hooper board the boat for the mission. One of Hooper's Scuba tanks falls over. He warns that it could cause a massive explosion. Hooper then jokes that the shark can eat the scuba tank. This is a clue to the final scene. Indeed, Hooper's comment gives Brody the idea to toss it in the shark's mouth.

MISSED - THE USUAL SUSPECTS - THE GOLD WATCH

The Usual Suspects features one of the most surprising twist endings. Verbal Kint is one of two survivors of a brutal massacre on a boat. He recounts the events leading to the boat and the involvement of crime lord Keyser Söze. Verbal tells his story and the cops let him go.

He collects his belongings and limps out. However, he starts walking without a limp and lights up a smoke revealing himself to be Söze. However, there are hidden clues throughout revealing the truth. At one point Verbal blurts out, "I did, I did kill Keaton." However, it seemed like a throwaway line. There's a major clue at the start of the movie. When Söze first appears viewers only get a glimpse of him. There's s clear shot of his gold watch and lighter. Indeed, when Verbal collects his belongings at the station it includes a gold watch and lighter.

OBVIOUS - NO COUNTRY FOR OLD MEN - THE ELK

In No Country For Old Men, the vicious hitman Anton Chigurh hunts down Llewelyn Moss. Moss came across a suitcase of money. Anton's employer would like it back. No matter what Moss does he can't get rid of Anton. Basically, he can't put him down and ends up being the one getting taken out instead.

However, there's a big hint at the start of the film regarding Moss's struggle with Anton. While out hunting, Moss comes across an elk. He wounds the animal but no matter what he does he can't end it. In other words, he can't put it down. In fact, Moss's struggle with the elk mirrors his problems with Anton. The glaring clue is hard to miss although some fans did.

MISSED - BACK TO THE FUTURE - THE POSTCARD FORESHADOWS THE ENDING

In Back To The Future, Marty McFly's trapped in 1955 and needs to get back to 1985. Luckily, Doc Brown comes up with a plan. Like most plans, it doesn't go according to plan. Doc ends up hanging from the clock tower as he tries to connect a cable. However, the film hints at the scene earlier.

In fact, there's an easy to miss clue in the opening credits. It starts with Marty entering Doc's work area and the camera pans around. There's a shot of clocks, plutonium and dog food. Indeed, there's one more big clue. There's a quick shot of a postcard of Harold Lloyd from the film Safety Last. In the card, Harold's hanging from a clock tower exactly like Doc later. It's easier to catch this clue on a second viewing.

OBVIOUS - SKYFALL - OPENING CREDITS REVEAL M'S FATE

In Skyfall, James Bond track downs former MI6 agent Raoul Silva. Silva attacked MI6 headquarters and discredits M for betraying him. The film features the surprising passing of M. Most fans didn't see that ending coming. M's a central character to the James Bond series.

Notably, Judi Dench portrayed M for many years. However, fans that pay close attention noticed a huge clue in the credits. The clue gives away M's fate. Indeed, the movie wastes no time giving away this hint. In the credits, Dench's name appears over a graveyard. This is an obvious clue the movie wants fans to catch. Although, it's more likely fans will notice the clue on a second viewing.

MISSED - FROZEN - THE CHANDELIER

Prince Hans will certainly go down in Disney history as a great villain. Although, he appears to be one of the good guys at first. It's not till the end of Frozen viewers realize the truth. Fans still debate the possible clues in the movie since its release. Some point to lyrics in songs and others to his actions.

There's one very subtle clue that Hans is a villain and not the guy good. In one scene, soldiers surround Elsa but Hans tries to save her. He wrestles a crossbow away from a soldier. The crossbow accidentally goes off and the arrow strikes the chandelier. It falls and almost crushes Elsa. It seems like a simple mistake, but look closer. Hans actually looks up at the chandelier before wrestling it away from the soldier. It's a subtle clue that's easy to miss.

OBVIOUS - THE PRESTIGE - BIRD TRICK REVEALS THE ENDING

The Prestige follows two rival magicians in the 1890s. They both go to great lengths to succeed and destroy the other. The film's plot twist causes jaws to drop all over the world. In the end, Alfred Bowden reveals he has a twin brother "Fallon". They've been living one life in order to pull off their greatest trick.

The movie ends with one twin executed and the other reuniting with his daughter. However, the opening scene reveals the films plot twist. Cutter performs the disappearing bird trick. It seems he made it disappear and then reappear. In reality, he ends one bird and presents a new one. This foreshadows the Bowden brother's plot twist and fate.

MISSED - GET OUT - THE TOUR REVEALS THE FAMILY SECRET

In Get Out, an African-American man, Chris, meets his white girlfriend's family for the first time. However, he soon discovers their dark secret. Rose's family abducts African-Americans and takes control of their minds through surgery. In fact, the family's housekeeper Georgina and groundskeeper Walter are actually Rose's grandparents.

Her father reveals this plot twist to Chris when giving him a tour. He points out his mother's favorite place was the kitchen. As he makes this comment, Georgina's in the kitchen and looks up. This is a subtle hint that his mother's controlling Georgina. He points out that he kept them on after his parents passed. He even states he couldn't let "them" go. He's actually referring to his parents and not Georgina and Walter.

OBVIOUS - FIGHT CLUB - THE FLASHES REVEALS THAT TYLER IS NOT REAL

The cult classic Fight Club features one of the most famous twist endings. In the film, the Narrator and Tyler Durden start a fight club. However, the big twist reveals that the Narrator and Tyler are the same person. The film includes a series of clues and hints about the twist. A few are easy to miss. For instance, Tyler calls the Narrator on a phone that can't receive incoming calls.

However, other clues are much more obvious. There are several flashes of Tyler from The Narrator's viewpoint before they meet. He sees Tyler at the hospital and in a group. Later, they're in a car accident when Tyler lets go of the wheel while driving. After the crash, Tyler escapes from the passengers' side. He pulls out the Narrator from the drives side, which reveals he was driving.

MISSED - THE SIXTH SENSE - COLE RUNS TO CHURCH

The Sixth Sense will go down in history as one of the scariest movies. Although, it's the twist ending people talk about the most. In the film, a child psychiatrist Malcolm begins treating a young patient, Cole. Cole soon reveals that he can see people who have passed away. In the end, Malcolm realizes he's been a ghost the entire time.

Earlier in the film, a former patient broke into his house and shot him. However, there's a big clue most viewers and Malcolm missed. Malcolm waits for Cole at his house but he runs to the church. When Malcolm finds Cole he's clutching a statue of the Mother Mary. He runs to the church to hide from a ghost, which is Malcolm. He clutches the statue to protect himself from Malcolm as he approaches.

---

Which of these spoilers did you miss? Let us know in the comments!