Doctor Doom's reign of terror is just beginning. Here's what to know about his role in the upcoming movie, 'Avengers: Doomsday,' including cast, release date and potential plot.

First Steps hit theaters recently, and it’s a major hit with critics and fans. But it’s not just the cosmic battles and iconic characters grabbing attention. The movie’s mid-credits scene, directed by the Russo Brothers,

Avengers: Doomsday star Robert Downey Jr. shares a new video showing Iron Man and Doctor Doom fighting, as well as a new Secret Wars tease.