Thena is a fictional character from the Marvel Comics universe, primarily associated with the Eternals. Created by writer Roy Thomas and artist John Buscema, she first appeared in "Eternals" #5 in 1976. Thena is depicted as a powerful warrior with superhuman abilities, including enhanced strength, speed, and durability. She is known for her combat skills and her role as a protector of humanity. In the Marvel Cinematic Universe, Thena is portrayed by actress Angelina Jolie in the film "Eternals" (2021). The character's storyline explores themes of identity and belonging, as she grapples with her purpose among the Eternals and her connection to humanity.