Originally Posted by X-Maniac
I think it could be a very a bad idea to change plot points in the previous movies. It will just confuse the audience if suddenly Rogue doesn't take the cure, or Cyclops/Xavier doesn't get vaporised. People will be asking which versions of the films are canon.
Exactly but of course some fanboys don't care if casuals get confused by that as long as they get a good movie or they get the movie that they prefer.