Justice League of America — DC Comics
Issue: #1 FRANKIES.C
Meet the Extremists—self-proclaimed saviors from another Earth, they thirst for peace, prosperity and total submission to the will of their leader, Lord Havok! How can the newly assembled JLA stop this group of misguided maniacs before the Extremists unleash their own unique—not to mention dangerous!—brand of law and order on our chaotic world?
First appearances: Death Bat, Preon
Creators: Clayton Cowles, Ivan Reis, Joe Prado, Brian Cunningham, Doug Mahnke, Marcelo Maiolo, Steve Orlando, Amedeo Turturro, Julio Ferreira
Characters: Batman, Destiny of the Endless, Black Canary, Lobo, The Ray, Vixen, Ryan Choi, Tracer, Death Bat, Brute, Lord Havok, Preon, Dr. Diehard, Killer Frost (Snow), Dreamslayer, Gorgon
Story arcs: The Extremists