What is legion of doom superfriends?

The Legion of Doom is a group of fictional supervillains who appear in American comic books published by DC Comics. They first appeared in September 1978 and were formed as a counterpart to the superhero team known as the Super Friends. The group consists of thirteen members, including iconic villains such as Lex Luthor, the Joker, and Black Manta. Their goal is to conquer the world and defeat the Super Friends. The Legion of Doom appeared in various forms of media such as cartoons, video games, and live-action productions. They remain a popular and recognizable group of villains in DC Comics lore.