Nebula is a character appearing in American comic books published by Marvel Comics. Created by Roger Stern and John Buscema, the character first appeared in The Avengers #257. Originally depicted as a supervillain, Nebula was later depicted as an antihero and member of the Guardians of the Galaxy.
Nebula as depicted in Nebula #1 (February 2020). Art by Jen Bartel.
Nebula on the cover of The Avengers #318 (June 1990). Art by Paul Ryan and Tom Palmer.
The Avengers (comic book)
The Avengers is the name of several comic book titles featuring the team the Avengers and published by Marvel Comics, beginning with the original The Avengers comic book series which debuted in 1963.
The Avengers #1 (September 1963). Cover art by Jack Kirby and Dick Ayers featuring the five original members of the team: Ant-Man, the Wasp, Iron Man, Hulk, and Thor.
The Avengers vol. 2, #11 (Sept. 1997), showing the Heroes Reborn Avengers. Cover art by Michael Ryan and Sal Regla.
The "Heroic Age" roster of the Avengers. Cover art for Avengers vol. 4, #12.1, by Bryan Hitch.