The latest tease for the upcoming 2026 film Avengers: Doomsday features an unknown identity of one star reportedly featured in the movie. While a lengthy list of names has already been released following a nearly six-hour livestream event, the widespread belief is that more stars in the film have remained under wraps.

What we know about Avengers: Doomsday has been limited, but the blockbuster is definitely coming together behind the scenes. Marvel's live stream revealed most of its cast, which obviously includes Robert Downey Jr.'s return and debut as Doctor Doom. A photo from The Russos' Instagram showed that they're seemingly on set, check it out below:

The Russo brothers have shared the first behind-the-scenes look at Avengers: Doomsday to mark the start of filming – and it's a familiar sight.