The first arc features Grant Morrison's return to the team with artist Ed McGuiness and a storyline featuring a "proto-universe" that was first seen in Morrison's JLA run as well as his then-upcoming Seven Soldiers limited series. Keith Giffen and J.M. DeMatteis then did the sequel to "Formerly Known as the Justice League" entitled "I Can't Believe It's Not the Justice League". Then Warren Ellis, Gail Simone, and Howard Chaykin wrote the following stories with other writers taking over after that. Dan Jurgens and Dan Slott produced the six part bi-weekly "4th Parallel" storyline which runs through issues #32-36, and introduces a new villain named the Red King. Creators rumored to do upcoming arcs include Tom Mandrake and Garth Ennis. Garth Ennis has stated that his "final Hitman story will be published in JLA Classified.