Earth's Mightiest Heroes are assembling again, as Avengers: Doomsday is finally in production and has unveiled its complete roster. After months of rampant speculation (though we’re still expecting surprises), Marvel Studios has finally unveiled what Avengers: Doomsday ’s main roster will look like.

Endgame." Many fans are wondering when is the next Marvel Cinematic Universe film and who's retuning to the Avengers? This week, Marvel unveiled the star-studded cast of "Avengers: Doomsday" during a livestream event with each actor being revealed one at a time with a glimpse at the back of their director's chair.

Men" films, including Patrick Stewart's Professor X and Ian McKellen's Magneto, were also confirmed as members of Disney's "Doomsday" cast. Fans can also expect appearances from stars of upcoming Marvel films,