Trivia: If you look at Bobby's bedroom in the scene where he and Rogue kiss, you'll see that he has several snowboarding posters on his wall and skis in the corner against the wall - all connecting to his icy abilities.
Trivia: Two random similarities to "Edward Scissorhands" in this movie. At the start, Nightcrawler looks almost identical to Edward when he's robbing the house - pale, marks on his face, blue baseball cap. Also when Edwards emerges from the house, he's holding his scissors out towards the police, who think they're weapons he's using to threaten them - exactly the same thing happens in this with Wolverine. Deliberate, or just coincidence?
Trivia: In the deleted scene Mystique in Stryker's files from the DVD two-disc special. Mystique read Kurt Wagner's notes. On all the X-rays, we can read "X-ray c13957", and they were all taken in May 22 1984, but they show a full grown man.
Trivia: In the comic, Xavier had a son named David Haller who became known as Legion. He was mentally disturbed, suffering from multiple personality disorder. He had several different psychic powers, and each personality controlled a different power. One of them was a young girl. His left eye was green, and his right eye was blue. In the movie, Stryker has a son named Jason. He is mentally disturbed or catatonic. He has psychic powers. In the illusion he creates for Xavier, he appears as a young girl. His left eye is green. His right eye is blue. It would seem that this is supposed to be the movie's version of Legion. Some people also say that Jason is Mastermind aka Jason WyneGarn (or Jason Stryker, I guess in the movie) who has the telepathic ability to create illusion that are completely believable in every way, sight smell, sound.
Trivia: In this movie and its sequel, Hank McCoy (the Beast) is introduced. In X2, in the sequence where Xavier inadvertently attacks the mutants around the world, it was originally decided that McCoy should be shown mutating into the blue-furred form in which he appears in X3. The idea was dropped from the final cut, however.