Actors Chris Hemsworth and Mark Ruffalo along with director Taika Waititi thought they were going to have a nice interview with host Jimmy Kimmel, but then actor Matt Damon showed up. During the segment, Hemsworth, who was promoting his latest film 'Thor: Ragnarok' on Kimmel's show, sits with the host at the desk and reveals that he brought Ruffalo and Waititi with him to the show.

Matt Damon