The last few months have felt like a large, second cast announcement for Avengers: Doomsday. Back in March 2025, Marvel announced over 25 characters set to appear in its upcoming crossover movie. Fortunately, the surprises didn't end there, as recently released projects like Avengers Endgame: Encore and VisionQuest have confirmed that even more heroes will assemble when the multiverse collapses. Moreover, Marvel actors have also spilled the beans about major returns, and the official Writers Guild of America West page teases the appearance of two unannounced mutants in the film.
As we get closer to the release of Avengers: Doomsday, more and more Marvel Cinematic Universe characters are gearing up to join the adventure. Now, there is yet another potential candidate who could show up when Doom makes his terrifying introduction later this year, and their appearance could have heartbreaking implications.
Gwyneth Paltrow seemingly confirms her return as Pepper Potts in Avengers: Doomsday
In a recent episode of The Goop Guide with Gwyneth Paltrow podcast, it was teased (in a pretty unexpected way) that Pepper Potts could be back in action soon. After all, Gwyneth Paltrow said a pretty interesting line that could've given the surprise away:
"I had an experience relatively recently where I was like, again, 'What am I doing? What movie is this? Who's this character?'"
This isn't the first time a similar scenario has happened in a Marvel movie. Gwyneth Paltrow once forgot she even filmed a cameo for Spider-Man: Homecoming. She didn't remember that Samuel L. Jackson was in the MCU despite having filmed superhero movies with him in the past. Naturally, it seems fitting that her more recent comments are related to yet another Marvel project, and Avengers: Doomsday is the most likely candidate.
One of the most shocking twists of the Multiverse Saga was the reveal that Robert Downey Jr. would return to the franchise. However, he isn't going to be portraying Iron Man anymore but the new villain to fear: Doctor Doom. Since then, fans have wondered how the franchise will handle the ruler of Latveria sharing the same face as one of Earth's greatest protectors, and Gwyneth Paltrow's appearance in the film could suggest the studio will lean into the tragedy of it all.
Pepper Potts' presumed return could also mean Tony Stark's daughter, Morgan, may show up alongside her mother. If that were to be the case, it isn't far-fetched to assume the two will cross paths with Doctor Doom in Avengers: Doomsday and be shocked by the villain's look. However, they could also be the ones to quickly identify how different Doom and Tony are despite their physical appearance.
Multiple reports have indicated that some of Earth's Mightiest Heroes will be quick to trust Doctor Doom just because he shares the same face as Iron Man. After all, the villain will appear to have good intentions at first, claiming to want to stop the incursions that are occurring all across the multiverse. However, people like Pepper and Morgan could be the first to look past this detail because of how much time they spent with the real Tony Stark. They could also be the ones to alert Earth's Mightiest Heroes that Doctor Doom is hiding something.
It's likely that Pepper will only have a quick cameo appearance in Avengers: Doomsday. After all, there are plenty of other characters who are set to be part of the upcoming crossover. However, it's only fitting that she will return just in time to discover that Doctor Doom shares the same face as Tony, and we can't wait to see how it all pans out.
Avengers: Doomsday will be released on Dec. 18, 2026.
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