Justice-League:-Dark

10

Famous Superhero Teams + Year of their 1st appearance

Honorable Mentions: Justice Society of America 1940, Legions of Superheroes 1958, Teen Titans 1964, X Force 1991, Birds of Prey 1995, The Authority 1999, The League of Extraordinary Gentlemen 1999, Justice League Dark 2011, Legends of Tomorrow 2016.