[Bogart]

Hmmm I wonder if everybody in here has seen the scene Aubrey is talking about; the final scene Aubrey is referring to takes place after ALL the ending titles, when usually cinemas are empty. When the music ends, there is a pause of two-three seconds in black screen (a bit like the phone call in Metal Gear Solid), and then you see the final scene where

Spoiler: show

Xavier's ego comes back to "life" into the body of the man without conscience he had shown to his students during his lesson. If Xavier is back in this form, as Aubrey said, then the same could happen for the Phoenix. Also, it seems like the effect of the vaccine is far from being permanent, as hinted in the scene with Magneto and the chessboard.

I am asking because I was the only one left in the whole cinema, so all those who had seen the movie with me didn't have a chance to see this final scene. So basically, there is "only" one true death in the movie...