Jet (a.k.a) Celia Windward is a DC Comics Superhero created by Steve Englehart and Joe Staton. She is of Jamaican descent who lived in Great Britain. (I couldn't find much else on her background other than that). She was recruited by the original Guardians of the Galaxy and along with nine other people were given power and thus began the new Guardians of the Galaxy team.
Her powers are generating and controlling the electromagnetic spectrum, she can project hot and cold energy and bend metal; She also has the power to fly.When acquiring her power her hair looks as if it is on fire and it changes to the color of green. She was also apart of the Global Guardians. Her other known alias's was Jamaican Superhero, Ms. Jamaica, Magneta, and Mrs. Polaris.