What's up movie fans? Do you enjoy wowing your friends with your second-to-none movie knowledge? You might know every James Bond actor in chronological order, you might know which year every movie in the Marvel Cinematic Universe was released, and you might even know how many kills Freddy Krueger made in his multiple Nightmare on Elm Street appearances, but what about all that lesser known movie trivia from behind the scenes?
There are a lot of facts about movies that might just take you by surprise - and that's what this video is all about. Here's our latest edition of twenty rapid fire behind the scenes movie facts...
Jai Courtney - who is playing Captain Boomerang is Suicide Squad - quite famously said that he would never appear in a comic book movie. However, he changed his ming when he learned that David Ayer was to direct and produce the 2016 DC offering.
Underworld: Blood Wars
Although the official title for the fifth installment in the Underworld franchise is now Underworld: Blood Wars, the working title of the movie was actually Underworld: Next Generation.
Will Smith actually turned down the role of Muhammad Ali in Ali initially, but after the former boxer himself gave Smith a call telling him he was the only actor good-looking enough to play him, the Fresh Prince of Bel-Air star changed his mind.
During the final press conference in Iron Man, Tony Stark reveals that he is the titular hero to the world's press. The extras in the scene were told that it was a dream sequence to prevent them from spreading spoilers.
In 2003's Hulk movie, the Green Goliath was generated using CGI. To show the movie's actors where he would be standing in any given scene, a cardboard cutout - nicknamed "Elvis Presley on a stick" by the cast and crew - was put in place.
The Incredible Hulk
In 2008's Hulk reboot - The Incredible Hulk - the scene in which a drop of Bruce Banner's gamma-irradiated blood falls through three factory stories into a bottle took visual effects artists more than a year to construct.
In the plaza of the Daily Planet building in Superman Returns, there's a sign that says "Shuster Square." This is a reference to Joe Shuster, who was one of the co-creators of the original Superman character.
Man of Steel
In Man of Steel, Russell Crowe became the second Oscar winner to portray Jor-El, after Marlon Brando in the Christopher Reeve Superman movies. Coincidentally, whilst going by the name "Rus Le Roq" in the 1980s, Crowe recorded a song called "I want to be like Marlon Brando".
War of the Worlds
When Tom Cruise's Ray Ferrier arrived home covered in the ashy remains of the Tripod's first victims in War of the Worlds, the horror he expressed upon that realisation was influenced by September the 11th survivor stories.
Most of the animal noises in the hugely successful Avatar were recycled from another massively successful movie - Jurassic Park. The T-Rex and Raptor noises in particular are used a lot - for the horse-like Pale and the Thanator, respectively.
The fake testicles that Will Ferrell's Brennan Huff rested on Dale's drumkit in Step Brothers were worth around $20,000 and were presented to Ferrell as a wrap present when filming was completed.
In The Hangover, "Stu's Song" and "Three Best Friends" - the songs performed by Ed Helms and Zach Galifianakis respectively - were both improvised by the actors.
Star Trek Beyond
Star Trek Beyond will be the first Star Trek film to be shot primarily in Vancouver in British Columbia and not in Hollywood. All existing sets, including those of the USS Enterprise, have rebuilt from scratch in a large studio in Vancouver.
Star Wars: The Force Awakens
Carrie Fisher and Mark Hamill collectively lost 85lbs to get in shape for Star Wars: The Force Awakens, with Fisher losing 35lbs and Hamill losing 50lbs.
After rumours about the potential of the likes Darkseid and Brainiac appearing, it has recently been revealed that Steppenwolf - a character from a deleted scene in Batman v Superman: Dawn of Justice - will actually be the main villain of 2017's Justice League.