The X-Men are going to play a big role in Avengers: Doomsday. We know that because a bunch of them, including Patrick Stewart and Ian McKellen, are confirmed for the gigantic MCU crossover. Their presence is fueling a lot of theorizing, and some fans think they may have spotted the Avengers vs. X-Men logo.

Over the course of several hours, Marvel unveiled the cast of Avengers: Doomsday, with some surprising movie stars being revealed. Of course, Robert Downey Jr. was announced, but some surprises were also packed in there,

Doomsday via a lengthy livestream that confirmed a further 26 actors set to appear in the superhero movie as well as the start of production. Among the surprises, Channing Tatum will reprise his role as X-Men fan-favorite Gambit.