I enjoyed X-Men 2 (review won’t appear until day before opening, alas), but here’s what bugs me:
In the trailer, there’s a scene with Mystique (the blue chick) sliding forward on the ground, through a doorway that’s opening up. This scene is actually in the movie, but it’s played backwards in the trailer! Mystique is sliding backward through a door that’s closing (makes more sense, no?) and flipping off her pursuers in the process. I can’t tell if you can see the extended finger at the beginning of the sequence in the trailer.