Firestar is a superhero appearing in media and American comic books published by Marvel Comics. Created by John Romita Sr., Rick Hoberg, and Dennis Marks, the character first appeared in 1981 on the NBC animated television series Spider-Man and His Amazing Friends. Firestar has the ability to generate and manipulate microwave radiation, allowing her to fly and create intense heat and flames. In the comics, she has acted as a solo hero and also as a member of the Hellions, New Warriors, Avengers, and X-Men.

Spider-Man and His Amazing Friends is a 1981–1983 American animated television series produced by Marvel Productions, considered to be a crossover series connected to the 1981 Spider-Man series. The show stars already-established Marvel Comics characters Spider-Man and Iceman, along with an original character, Firestar. As a trio called the Spider-Friends, they fight against various villains of the Marvel Universe.