The Mantis featured in Marvel’s Guardians of the Galaxy is an entirely different character than the Mantis featured in the Marvel Cinematic Universe, with Eidos-Montréal taking more inspiration from the character's comics than her onscreen depiction in James Gunn's Guardians of the Galaxy films. Whereas Pom Klementieff's Mantis was largely used as comic relief in the MCU's Infinity Saga, the Mantis of the Guardians of the Galaxy game is much more in tune with her comics-self, being an excellent
. Read more on screenrant.com