Action
Booking
Who is Brainiac? Superman And Supergirl's Coluan Villain Explained
While Batman has the most popular rogues gallery of DC Comics villains, none of them are as dangerous as Superman and Supergirl's Brainiac. While Kal-El and Kara Zor-El often stop him by themselves, sometimes it takes the entire Justice League to stop him. The alien collector threatens the DC multiverse on a constant basis, acting as one of its deadliest threats.