Marvel Studios broke the internet when they revealed the cast for Avengers: Doomsday in a livestream event. Over 5 ½ hours, they slowly revealed the names of actors on the backs of on-set chairs, resulting in a cast of 27 names.

Marvel has announced the return of some Marvel Cinematic Universe (MCU) stars in 2026's "Avengers: Doomsday," including Chris Hemsworth as Thor, Anthony Mackie as Captain America, Sebastian Stan as Bucky Barnes and Tom Hiddleston as Loki.

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.

Carrie Coon is beloved for her work on HBO series such as “The Leftovers,” “The Gilded Age” and “The White Lotus” Season 3, but her filmography also includes a quick detour to the Marvel Cinematic Universe.

Carrie Coon could have reprised her Marvel Cinematic Universe role in Avengers: Endgame, but declined to continue after the studio didn’t offer her more money. The White Lotus and Gilded Age star played the humanoid Proxima Midnight in 2018’s Avengers: Infinity War.

Infinity War as villain Proxima Midnight, allegedly didn't return in a speaking and motion-capture role in Avengers: Endgame after a pay dispute – and received a blunt reply from Marvel in response. According to playwright and actor Tracy Letts (Coon's husband and owner of the best shared Letterboxd account),