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.

Avengers: Doomsday risks being overstuffed with too many characters from different teams and movies. Marvel should focus on a set Avengers lineup to maintain the importance of the team. Less is more in the Marvel Cinematic Universe - a smaller cast can lead to tighter scripts and stronger character development.

Doomsday, like Spider-Man & Captain Marvel Lack of investment in TV characters hurts integration into movies Including TV characters in Avengers: Doomsday would benefit the story & fans Marvel has revealed to fans which characters they can expect to see in Avengers: Doomsday,