But these days, Disney and Fox are the same company, which means an eventual big-screen Avengers and X-Men crossover is coming. (Some fans even think Magneto or Professor X could show up in WandaVision!) In the shorter term though, it means that Wanda and Vision will cosplay as “themselves” in the new series. But, in order to get into that red costume with its bonkers headdress, Elizabeth Olsen had to fight to make sure the costume was super-accurate. Speaking to the Vanity Fair “Still Watching” Podcast, Olsen said: So, there you have it! If it weren’t for Elizabeth Olsen, we wouldn’t be getting a comic-book accurate Scarlet Witch! Now, we’ll just have to wait and see if she stays in that costume. Here’s when every episode of WandaVision will drop on Disney+.