Robert Downey Jr and Pedro Pascal gave Marvel fans an unexpected Halloween surprise by swapping their upcoming Avengers: Doomsday character identities.
The actors celebrated October 31 by dressing as each other’s Marvel characters. Pascal appeared in Doctor Doom’s costume, while Downey Jr wore the look associated with Reed Richards, also known as Mister Fantastic.
Downey Jr shared a video of the costume swap on Instagram, revealing the pair’s unexpected transformations. He captioned the post, “Victor. Richard. Costume swap!”
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Another video circulating online showed the two actors walking together with their arms linked, adding to the excitement among fans.
The playful exchange quickly attracted attention on social media. Fans welcomed the surprise, with some joking that the Marvel multiverse had crossed into real life.
The costume swap has also increased anticipation for Avengers: Doomsday, one of Marvel’s most highly anticipated upcoming films.
Directed by Anthony and Joe Russo, the movie features a star-studded cast, including Chris Hemsworth, Chris Evans, Tom Hiddleston and Sebastian Stan, alongside Downey Jr and Pascal.
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The film is scheduled for a global theatrical release on December 18, 2026.
With their Halloween appearance, Downey Jr and Pascal have given Marvel fans another reason to look forward to their on-screen showdown.