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.

Marvel unveiled 27 cast members to announce that Avengers: Doomsday was in production. The reveal came over a five-hour-long livestream where a new chair was revealed about every 15 minutes, before Doctor Doom star Robert Downey Jr. made a brief on-screen cameo.

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,