"Thor: Ragnarok" is a 2017 superhero film directed by Taika Waititi, part of the Marvel Cinematic Universe. The story follows Thor, the God of Thunder, as he finds himself imprisoned on the planet Sakaar and must race against time to save Asgard from destruction by the powerful goddess Hela. In his quest, Thor teams up with Hulk, his former ally, and Loki, his mischievous brother. Together, they face various challenges and engage in epic battles, ultimately leading to a showdown that tests their strength and unity. The film combines action, humor, and vibrant visuals, making it a unique entry in the franchise.