Hela

Played by Cate Blanchett

Hela is the firstborn child of Odin and the former executioner of Asgard, who helped him conquer the Nine Realms before being imprisoned for her excessive brutality once his conquests were complete. Freed by Odin's death, she returned to claim the Asgardian throne for herself, forcing Thor to bring about Ragnarök, the prophesied destruction of Asgard, rather than let her rule it. Read more →

First turns up in Thor: Ragnarok.