Yes Nebula is a character in the movie Avengers: Endgame. The movie plot shows that the nebula was discovered by Thanos when he went back to the past to look for the original stone. So Thanos seized this future nebula and let another nebula take her place and return to the future, lurking as a mole in The Avengers. Avengers: Endgame is a superhero movie produced by Marvel Pictures, and the release time is 20 19. This film is the 22nd work of Marvel Movie Universe.