Marvel Studios has unveiled the first full-length trailer of Avengers: Doomsday at CinemaCon, offering a thrilling glimpse into a massive multiverse showdown. It was attended by Robert Downey Jr. and Chris Evans. Featuring Robert Downey Jr. as Doctor Doom and the return of Steve Rogers, the film promises epic crossovers with the X-Men, Fantastic Four, and new Avengers.

About Avengers: Doomsday trailer

The trailer starts with a look at Downey Jr.'s green-hooded, metal-faced Doctor Doom as he prepares to invade the multiverse. There's a shot of Professor Xavier (Patrick Stewart) looking out of his X-Mansion window as a bright flash of light outside signals trouble.