
Prior to the first televised appearance of the Legion of Doom, a group called the Super Foes appeared in the first issue of the SuperFriends Comic Book in November 1976.Early conceptual art drawn by Alex Toth also included Heat Wave, Poison Ivy, and Abra Kadabra.
#Tv 70s challenge of the superheroes series
However, Filmation was producing the Shazam! TV series (1974 to 1976) and The New Adventures of Batman (1977) which prevented the use of characters such as Mister Atom, King Kull, Beautia Sivana, Joker, Penguin, Mr.

The resulting dome-shaped headquarters was called the Hall of Doom and was capable of all sorts of travel. After hearing them all, Luthor proclaimed the headquarters would be located in a swamp hidden beneath its murky waters. Black Manta suggested the headquarters should be at the bottom of the ocean, while Captain Cold said it should be under the ice of the polar cap, and Grodd said the jungle was the only logical choice. Not long after their meeing, Sinestro remarked they needed a headquarters. So he assembled twelve supervillains, forming the most powerful and sinister group the world has ever seen. In the Earth-1A universe, after several years of struggle against superheroes, both individually and collectively, it soon became apparent to Lex Luthor that working together with his fellow villainous cohorts was the only way to enact their sinister plans on an unsuspecting populous. 9.3 Members of the team have solo appearances in later episodes.9.2 The Legion also appeared in a few Super Friends shorts.
