Legion of Super-Heroes — DC Comics
Issue: #268
The Legion battles Doctor Mayavale, who claims to have known the Legion for centuries.The Legion of Super-Heroes fight against Doctor Mayavale, a person who claims to have know the Legion for centuries.
First appearances: Dr. Mayavale
Creators: John Costanza, Bob Wiacek, Terry Austin, J.M. DeMatteis, George Pérez, Tatjana Wood, Gene D'Angelo, Steve Ditko, Jack C. Harris
Characters: Chameleon Boy, Colossal Boy, Cosmic Boy, Dream Girl, Lightning Lad, Saturn Girl, R.J. Brande, Karate Kid, Shrinking Violet, Dr. Mayavale