Tom Holland revealed that he was one of the first people to learn that Robert Downey Jr was returning to the Marvel Cinematic Universe and immediately shared the news with Zendaya.
Avengers: Doomsday was announced at the San Diego Comic-Con in July 2024 and Robert Downey Jr was unveiled as the antagonist Dr Doom. The actor played Iron Man across a decade of Marvel movies before the character’s death in Avengers: Endgame in 2019.