Gamora is a fictional character portrayed primarily by Zoe Saldaña in the Marvel Cinematic Universe (MCU) media franchise, based on the Marvel Comics character of the same name. Gamora is depicted as a member of the Guardians of the Galaxy, having escaped her previous life as an assassin after she was forcibly adopted by Thanos after he murdered half of her people, including her mother. For the next twenty years, she served Thanos as a cybernetically enhanced warrior until betraying him to join the Guardians. Over time she becomes romantically involved with Peter Quill, and develops a positive relationship with her adopted sister Nebula despite their rivalrous upbringing. She is eventually killed by Thanos when he sacrifices her to obtain the Soul Stone.

Zoë Yadira Saldaña-Perego is an American actress. Known primarily for her work in science fiction film franchises, she has starred in four of the highest-grossing films of all time. Films she has appeared in have grossed more than $15 billion worldwide and, as of 2024, she is the highest-grossing film actress. Time magazine named her one of the 100 most influential people in the world in 2023.