"Avengers: Doomsday" finds brothers Joe and Anthony Russo back in the directors chairs. They return to Marvel having helmed the Captain America films "Captain America: The Winter Soldier" and "Captain America: Civil War," as well as "Avengers: Infinity War" and "Avengers: Endgame."

After hours of literally nothing but shots of chairs, Marvel’s big Avengers: Doomsdaycasting announcement ended with an appearance by Robert Downey Jr., who’s returning to the Marvel Cinematic Universe after five years of “retirement” to play the new Doctor Doom in the film.

Robert Downey Jr. and Marvel Studios recently addressed growing speculation about the full cast of Avengers: Doomsday, following a major livestream event. Downey teased the possibility of more actors joining the film,