Reactron is a fictional supervillain who appears in comic books published by DC Comics, usually as an adversary of Supergirl. Reactron first appears in...

the Kryptonian delegation. After Kara's father, Zor-El, was murdered by Reactron in Kandor, Alura came to blame Thara for her husband's death, as security...

Supergirl. As Reactron is about to kill Chris and Kara, Thara manifests her Flamebird powers and personality, and easily overpowers Reactron. The Flamebird...

tampers with the body chemistry of the previously captured Reactron. Shortly thereafter, Reactron kills himself, initiating a chain reaction which destroys...

tampers with the body chemistry of the previously captured villain Reactron. Reactron then kills himself, initiating a chain reaction which destroys New...

and pleads with her to return the negative being to him. He later breaks Reactron out of Belle Reve Penitentiary and after fitting him with a regulator,...

Plastique Poison Ivy Polka-Dot Man Power Girl Punch and Jewelee Ravan Reactron Reverse-Flash (Daniel West)  Rick Flag Roy Harper Savant Slipknot Solomon...

Branson as Detective Draper / Master Jailer Chris Browning as Ben Krull / Reactron Joan Juliet Buck as Katherine Grant Emma Caulfield as Cameron Chase Tawny...

father, Zor-El and mother, Alura, though Zor-El is killed by the villain Reactron. When a planet is formed that the Kryptonians call New Krypton, Kara is...

Reactron, who is actually working directly for General Lane on Lane's own agenda - the destruction of all Kryptonians, including Superman. Reactron kills...