So Draco in Leather Pants and Anti-Villain baddies are making your villainous faction more popular than your protagonists. However, they're really good villains too, and you don't want to get rid of those. So what's a writer to do?
A faction split, of course. Arms will be taken up, Anti Villains will fight Complete Monsters, Enemy Civil War erupts, and the end result will, at the least, be a [...] [tvtropes.org]