The Extremists are a team of super-villains based on Marvel Comics' characters who usually fight against the Justice League. They were originally introduced as residents of the planet Angor, an analogue of the Marvel Universe that held the Champions of Angor, an homage to the Avengers. More recently a newer updated team of Extremists have been introduced on Earth-8, a universe revolving around their mythos. They fought the Meta-Militia for a long time until they eventually took over that planet and now travel the Multiverse. They are led by Lord Havok, also featuring Doctor Diehard, Dreamslayer, Gorgon and Tracer as regular members. The Extremists were created by Keith Giffen, J.M. DeMatteis and Bart Sears, first appearing in Justice League Europe #15. (1990)

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