Brunnhilde, also known as Valkyrie or Scrapper 142, is one of the two tritagonists in Thor: Ragnarok and Thor: Love and Thunder (alongside Hulk in the former and Korg in the latter), and a supporting character in Avengers: Endgame and The Marvels.
She is portrayed by Tessa Thompson, who also portrays Agent M in Men in Black: International, Bianca Taylor-Creed in the Rocky and Creed series, and voices Lady in the live-action remake of Lady and the Tramp.