A live-action Marvel Studios project featuring Hayley Atwell's Captain Carter is rumored to be in development.

The rumor comes by way of The DisInsider Show, and it's unclear if the project would be a film or a Disney+ series.

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Captain Carter is an alternate version of Peggy Carter who's given the Super Soldier Serum instead of Steve Rogers, imbuing her with superhuman strength, stamina and more. The version of the character most fans are familiar with debuted in Season 1 of Disney+'s What If...?, while another version appeared in Doctor Strange in the Multiverse of Madness as a member of the Illuminati. She, however, was killed by Wanda Maximoff/Scarlet Witch, while the What If...? version will return in Season 2 of the animated series.

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"We realized, I think, early on in development as we were starting to get [A.C. Bradley's] scripts and starting to look at the arc of the series that there was going to be a character that bubbled up and became more important," What If...? executive producer Brad Winderbaum explained in August. "Not more important than the rest, but had a strong relationship with The Watcher, who is really our driving force behind the series, and that's Captain Carter."

"We realized as we started developing the second season that Captain Carter was going to be the character we would revisit in every season, and continue that adventure," he added. "Obviously, we're telling a story on a giant, multiversal canvas. So you never really know who's going to pop up where, and when. It's very much an anthology, but there's always opportunity for fun connections to be made."

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Captain Carter, once a member of the Exiles, also recently returned to the world of Marvel Comics in a limited series written by Jamie McKelvie and illustrated by Marika Cresta. "I'm as big a fan of the Captain Carter we've seen onscreen as anybody, so I jumped at the chance to create our own version," McKelvie said at the time. "I'm having a great time exploring what it would be like for Peggy to wake up nearly 80 years after the end of the war. The world remembers the myth of Captain Carter, but to Peggy the reality was just yesterday. Now she finds herself in a nearly unrecognizable new world, how does she fit in? Can she be the super hero people want her to be?"

Source: YouTube