Super Friends: The Legendary Super Powers Show (1984)

The further adventures of the Justice League. Now, the fight is primarily against the evil New God, Darkseid, who is bent on conquering Earth. Against this threat, the Super Friends are strengthened by the addition of a student and scientist who are able to fuse at will to become Firestorm, a superhero whose main power is the ability to manipulate the atomic structure of any inorganic object into anything he desires