After being slowly incorporated into the Marvel Cinematic Universe over the last few years, the X-Men are set to play a major role in Avengers: Doomsday. As part of Marvel Studios' Doomsday cast ...

From left: Ian McKellen as Magneto, Rebecca Romijn-Stamos as Mystique, Patrick Stewart as Professor X and James Marsden as Cyclops Everett/Marvel Instead of bringing the entire cast of the Russo ...