Marvel Studios is notoriously secretive when it comes to plot details potentially leaking ahead of a movie or TV show's release, and we've already heard about some of the lengths they'll go to in order to ensure spoilers stay hidden during production.
Now, Scarlet Witch actress Elizabeth Olsen has revealed that the cast of Avengers: Infinity War weren't even told how the movie was going to end until day of filming.
It's already come to light that Tony Stark's funeral scene in Endgame was referred to internally as "The Wedding," but Olsen says cast members were similarly kept in the dark about "The Blip" and the fates of their respective characters in Infinity War.
"It isn’t in the script that everyone gets blipped," the WandaVision star explained to Variety. "Those movies, you could read a script in an office, with a security guard, on one specific iPad. And I was like, 'Can you just give me what I need to know?' And I don’t really need to know what happens with Robert [Downey Jr.]’s whole part of the film."
"But I didn’t know I got blipped away until we shot it," she continued. "That was told to us that day. All of us went to the van where they had a bunch of equipment to show us pre-viz: Scarlett [Johansson], Chris [Hemsworth], Chadwick [Boseman], Sebastian [Stan]. We were all just in this van, and they said, 'This is what’s happening. You guys will disappear.' And we’re like, 'OK.' It was shocking. I mean, we didn’t know. We thought the movie ended differently."
Olsen says that the cast knew Vison died, but weren't told anything else beyond that. She goes on to describe her experience filming Wanda and Vision's final scene as "embarrassing."
"Because you’re like — [holds out her hand]. Ugh, I’m doing this in public. But you have one hand out that’s stopping something with energy. And then you’ve got another hand that’s extracting this fake thing from this dotted face. And it’s painful and emotional."
A rumor that Olsen and Henry Cavill were in talks to join season 2 of House of the Dragon recently did the rounds, but there doesn't seem to be any truth to it. As for the Scarlet Witch, Kevin Feige has already (pretty much) confirmed that she will return to the MCU at some point following her ambiguous Doctor Strange in the Multiverse of Madness fate.