The fourth Avengers film will be a key inflection point in the Marvel Cinematic Universe, according to producer Kevin Feige. In an interview, Feige said that Avengers: Infinity War, due in May 2018, will "bring things you've never seen in superhero films like a finale."

Does finale imply a number of dead superheroes? "There will be two distinct periods. Everything before Avengers 4 and everything after. I know it will not be what people are expecting," teased Feige.

Feige termed the film "the culmination of the entire Marvel Cinematic Universe as started in May of 2008" with the release of the first Iron Man film.

Avengers: Infinity War boasts of a huge star cast including Robert Downey Jr, Chris Evans, Chris Hemsworth, Scarlett Johansson, and Mark Ruffalo. Anthony and Joe Russo are directing the film, which is produced by Feige. Louis D'Esposito, Victoria Alonso, Michael Grillo and Stan Lee are the executive producers.

Talking about the work slate, Feige said, "Marvel has got another 20 films on the docket that are completely different from anything that's come before - intentionally."