Mantis (Marvel Comics)
Mantis is played by French actress Pom Klementieff in the Marvel Cinematic Universe (MCU). She is in the  movies Guardians of the Galaxy Vol. 2 (2017), Avengers: Infinity War (2018), Avengers: Endgame (2019), Thor: Love and Thunder (2022), The Guardians of the Galaxy Holiday Special (2022) and Guardians of the Galaxy Vol. 3 (2023). In the MCU, the character is a daughter of Ego and a half sister to Peter Quill, Starlord.