As this list shows, the ranks of Earth's Mightiest Heroes could really swell by the time Avengers: Doomsday rolls around. The ...

Rebecca Romijn, 52, will officially return as Mystique. She starred as the shapeshifter in “X-Men, X2: X-Men United,” “X-Men: ...

Black Widow was one of many classic Marvel Comics heroes who had yet to appear in the new Ultimate Universe. The reformed ...

Scarlet Witch is one of the most powerful characters ever introduced by the Marvel Cinematic Universe, and has the climactic ...