Elizabeth Olsen has said she has been terrified about leaking secrets from the Avengers sequel.
The actress was cast as the Scarlet Witch in Avengers: Age Of Ultron, alongside returning cast members Robert Downey Jr, Chris Evans, Samuel L Jackson and Scarlett Johansson.
Ellizabeth told Flaunt it was "intimidating" to be joining the movie as one of the "newbies".
And she said that the secrecy surrounding the film, which is currently filming and due out next year, made her nervous.
"Any time they give us a call sheet or any time there's a new draft, they have to shred our old papers. I don't think I'm allowed to say anything! And I'm too terrified," the 25-year-old added.
"I really just feel like I'm doing something that's top secret and somehow has a lot more importance than anything else I've been around, so that alone is hilarious," Elizabeth, whose previous films include Oldboy and Kill Your Darlings, said.
"I want to take a photo and send to my friends, not that I want to tweet or Instagram it, just for personal reasons - and I feel like I'm going to get in trouble if I take a photo on set!"