Avengers: Endgame found the God of Thunder wallowing in his own failure. After he couldn't save Asgard nor stop Thanos, Thor retreated to New Asgard, where he retired from the heroic life to live with Korg and Miek. Following a five-year time jump, he lost his edge and gained weight as he struggled to come to terms with his shortcomings.
Thor actor Chris Hemsworth tapped into that energy in a behind-the-scenes video that shows him in costume, strumming a guitar and singing "Hurt" by Johnny Cash. He debuted the clip on The Tonight Show Starring Jimmy Fallon in the video below, starting at the 1:44-minute mark:
"It's the saddest song in the world," Hemsworth told Fallon. With a chuckle, he added, "I'm a terrible singer and a terrible guitarist."
Directed by Joe and Anthony Russo, Avengers: Endgame stars Robert Downey Jr. as Iron Man, Chris Evans as Captain America, Mark Ruffalo as Bruce Banner, Chris Hemsworth as Thor, Scarlett Johansson as Black Widow, Jeremy Renner as Hawkeye, Brie Larson as Captain Marvel, Paul Rudd as Ant-Man, Don Cheadle as War Machine, Karen Gillan as Nebula, Danai Gurira as Okoye and Bradley Cooper as Rocket, with Gwyneth Paltrow Pepper Potts, Jon Favreau as Happy Hogan, Benedict Wong as Wong, Tessa Thompson as Valkyrie and Josh Brolin as Thanos. The film is in theaters now.