Every great hero needs great villains, and when it comes to superhero comics, the supervillains that go up against the likes of Batman, Spider-Man, the Avengers, the Justice League, and more are often just as popular as the heroes themselves.
The best supervillains of all time transcend their individual nemeses as great characters in their own right, many of whom have been elevated into starring roles over the years. Villains such as Doctor Doom, Lex Luthor, the Joker, and many more are as iconic as their heroic enemies, and that's just scratching the surface.
