Doomsday, and four Star Trekactors will reprise their roles as Marvel characters. Directed by Joe and Anthony Russo, Avengers: Doomsday revealed 27 actors and characters led by Robert Downey Jr., who was previously announced to play the villainous Doctor Doom instead of his iconic role as Iron Man (Tony Stark).

Despite five hours of streamed casting announcements, there are still several characters and actors fans are surprised won’t be in Avengers: Doomsday. (Read the full Avengers: Doomsday cast roster.) Some we knew about – such as Elizabeth Olsen’s Scarlet Witch and Benedict Cumberbatch’s Doctor Strange – but the following omissions are notable given the cosmic cross-over nature of what’s shaping up to be an Avengers,

Robert Downey Jr. returns to the MCU with other confirmed actors including stars Chris Hemsworth and Tom Hiddleston, 'X-Men' stars like Patrick Stewart and Ian McKellen, and a good chunk from the studio's 'Thunderbolts.