Avengers stars assemble to endorse Kamala Harris – by brainstorming an election catchphrase

Actors Robert Downey Jr, Scarlett Johansson, Mark Ruffalo, Don Cheadle, Chris Evans, Danai Gurira and Paul Bettany appear in video, released days before the US election

The cast of Marvel's Avengers movies have come out in support of Democratic presidential candidate Kamala Harris less than a week before the US election.

In a video posted first on Vanity Fair on Thursday evening, actors Robert Downey Jr, Scarlett Johansson, Mark Ruffalo, Don Cheadle, Chris Evans, Danai Gurira and Paul Bettany playfully riffed on their respective characters in the Marvel Cinematic Universe while encouraging viewers to vote for Harris.