Mantis is a fictional character in the Marvel Comics universe and the Marvel Cinematic Universe. She was first introduced in the comic book series "Avengers" #112 in 1973 and later appeared in the 2007 "Guardians of the Galaxy" comic book series.
In the Marvel Cinematic Universe, Mantis is portrayed by actress Pom Klementieff. She first appears in "Guardians of the Galaxy Vol. 2" and later appears in "Avengers: Infinity War" and "Avengers: Endgame."
Mantis is a member of the alien species known as the "Celestials." She has empathic powers, which allow her to sense the emotions and feelings of others. She is also able to manipulate these emotions, either calming or intensifying them depending on her needs.
Mantis is a supporting character in the "Guardians of the Galaxy" films. She is initially introduced as an assistant to Ego, the Living Planet, who is the father of Peter Quill, the leader of the Guardians. Mantis later joins the Guardians, using her empathic powers to help them in their battles against various enemies.
In the films, Mantis is portrayed as a naïve and innocent character who is learning about the world outside of her sheltered upbringing. She has a close friendship with Drax, another member of the Guardians, and the two share a comical dynamic as Drax often fails to understand her figurative language and metaphors.
Overall, Mantis is a unique and compelling character who brings a fresh perspective to the Guardians of the Galaxy team.