Avengers: Doomsday is expected to feature a large cast of characters, with reports indicating the involvement of at least 11 important heroes and potentially as many as 31 MCU characters. The movie's plot may include a significant time jump and could involve Doctor Doom and his allies, although the specifics of the story are not yet clear. The film's marketing has sparked discussion about the return of certain characters and the potential absence of others who appeared in previous movies.