(W) Bob Harras, Robert Harras (A) Tom Derenick (CA) Daniel Acuna. Written by Bob Harras Art by Tom Derenick & Dan Green Covers by Daniel Acu a "World Without a Justice League" Part 3 of 6! The Key has struck again! While half of what was the JLA investigates the bizarre murder scene* the other half looks to recruit a new member: Supergirl. But the entire group is called to action when OMACs appear on the scene!