Dec 2007
Cover: $2.99
W: Sean McKeever · A: Jamal Igle
1st Appearance and Death of Harley Quinn (Earth-3); 1st Appearance and Death of Riddler (Earth-3); 1st Appearance of Harley Quinn (Earth-3); 1st Appearance of Riddler (Earth-3); 1st Appearance of Talon (Earth-3); 1st Appearance of Three-Face (Earth-3); Death of Harley Quinn (Earth-3); Death of Riddler (Earth-3); Origin of the Jokester; Versus the Crime Society; Continues in Countdown Presents: The Search for Ray Palmer: Red Rain #1