Robert Downey Jr. Returns to MCU as Doctor Doom

Don Cheadle and Brie Larson share their surprise at the unexpected casting announcement, with Marvel keeping future plans tightly under wraps.

Robert Downey Jr. surprises fans by returning to the Marvel Cinematic Universe as Doctor Doom.
Don Cheadle humorously reacts to the unexpected casting announcement, admitting his own shock.
Cheadle confirms that Marvel is keeping details under wraps and that many things are still being rewritten.
Brie Larson also confesses she was unaware of Downey's return despite meeting with Marvel executives.
The news was revealed during Marvel's presentation at San Diego Comic-Con, stirring excitement among fans.