The Marvel Cinematic Universe is a giant franchise, one that's constantly expanding thanks to projects in theaters and streaming with a Disney+ subscription. Fans who spent years watching the Marvel movies in order know that Hayley Atwell has a habit of making cameos as Peggy Carter, including in Sam Raimi's Doctor Strange in the Multiverse of Madness. And the actress can't stop, won't stop complaining about how her signature character was treated in that blockbuster.
