rogues gallery 

Collection of villains in a heroes repetoire.

Batman couldn't necessarily handle Flash's rougues gallery.

rogues gallery by happy_cricket July 21, 2008

rogues' gallery 

1. a police collection of photos of criminals

2. any group of unsavory people

I think the rogues' gallery could use a bit of updating.

rogues' gallery by The Return of Light Joker January 11, 2008