Months after fans at the D23 Expo and San Diego Comic-Con got to screen footage of the highly anticipated film, Marvel has debuted the first teaser trailer for Avengers: Infinity War. The release comes on the heels of a much talked about cover story in Vanity Fair in which Marvel Studios head Kevin Feige promised big changes ahead. Infinity War, along with the currently untitled Avengers 4, will mark the culmination of a decade of films that started with 2008’s Iron Man and usher in new era for the Marvel Cinematic Universe. So what does Thanos have in store for our heroes in this epic battle? Take a look:

Avengers: Infinity War will hit theatres May 4th, 2018.