Right, but I always wonder why so many people feel that a superhero movie could be crowded with "too many characters".
People never say something like this about movies like Lord of the Rings, Star Trek and Star Wars which have LOTS of characters.
Or let's take a look at Batman begins:
Ra's al Ghul (main villain), Scarecrow (secondary villain), Falcone (secondary villain), William Earle (= Rutger Hauer's role, kind of secondary villain), Victor Szasz (henchmen), Ra's al Ghul's decoy (= Ken Watanabe's role, henchmen), Arnold Flass (corrupt policeman / hencheman), League of Shadows (henchmen).
The Dark Knight:
Joker (main villain), Two Face (secondary villain), Scarecrow (cameo villain), Sal Maroni, Lau, the Chechen, Gambol (mob bosses), Joker's henchmen
The Dark Knight Rises:
Bane/Talia (main villains), Cat Woman (secondary villain until she turns good), John Daggett (secondary villain), Ra's al Ghul (cameo villain), Crane/Scarecrow (cameo villain), League of Shadows (henchmen)