The incredibly successful X-Men movie franchise has had its ups and downs, but overall, it has remained a staple in pop culture that gave us wonderful cinematic moments, unforgettable superhero performances, and a lot of X-Men stories for us to chew on. With the news that Disney will buy Fox and get Marvel Studios the cinematic rights to properties such as X-Men and Deadpool, we can only guess where this franchise will go.

The original X-Men movie, released in 2000, reshaped the public perception of these characters – introducing the idea that on-screen heroes looked great in leather outfits, and that themes other than adventure and sci-fi could be explored in superhero films. 2003’s X2 repeated the original movie’s success, but the franchise took a nosedive with 2006’s X-Men: The Last Stand.

Since, the franchise has focused on prequels, such as 2009’s X-Men Origins: Wolverine and 2011’s X-Men: First Class, which each spun their own trilogies. In 2016, yet another entry took place: a standalone and R-rated Deadpool, which went on to become the highest-grossing X-Men film of all time.

With so many movies introducing so many characters in so many stories, the X-Men franchise was bound to make a couple of mistakes along the way, confusing fans with clear continuity errors, double entries for certain characters, and alliances that don’t seem to align with the overarching saga.

These are the 16 Things About X-Men Movies That Make NO Sense.

16. DEADPOOL’S ORIGIN STORY

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It’s safe to say that no one had any appreciation for Deadpool’s cameo in X-Men Origins: Wolverine, even in 2009, when the movie had just come out. As 2016’s Deadpool was released and became a massive critical and commercial, this hero’s inclusion in Origins became even more cringe-worthy and unnecessary, as fans now had an actual standalone film that serviced Deadpool in all the right ways.

But given that X-Men Origins: Wolverine still exists and is still very much part of the overall X-Men movie franchise, it’s unfortunate that this character ended up with two completely distinct origin stories that have treated his existence in completely different ways.

2016’s Deadpool went as far as completely scrapping whatever happened to this hero in Origins, but as the movie makes nods to other X-Men in the continuity, it all becomes a little confusing for fans to follow.

15. LOGAN’S TIMELINE

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Like Deadpool, it seems the mission statement of Logan was to completely ignore anything that came before it if it didn’t service the story now being told. But Deadpool had only been seen once before in the movies, and ignoring that one appearance was easy. That was not the case with Wolverine.

Wolverine was seen in every single film in the X-Men franchise, aside from 2016’s Deadpool. There were about eight movies worth of continuity for this character. And as Logan came out in 2017, including an old and sick Charles Xavier but nothing else, it felt like the installment was playing with the continuity as it pleased – picking up bits and pieces that made sense for its story, but otherwise ignoring all else that had happened to Wolverine up until that point.