The band released 7 studio albums, and have been a supporting band on tour with Pepper, Slightly Stoopid, Fishbone, Streetlight Manifesto, Mu330, Inner Circle, Authority Zero, the Expendables, the Mad Caddies, and Catch 22.
Three miles from Keystone is Iron Heights Penitentiary, the security prison that holds the supervillains when captured.
The series was created by Rick Remender and Mat Broome and focuses on the struggles of the last of the superheroes in a world in which the supervillains have prevailed and enslaved what remains of the world.