"This Means War!" & "The Origin of Monarch"
Ties into Countdown to Mystery #4.
*It's all-out war as the Challengers find Ray Palmer - and so does everyone else! The fate of a universe hangs in the balance, as heroes and villains from across the multiverse face betrayal and death with Earth as their battlefield!
Plus more DC Villains origin backup stories, including Harley Quinn! *Source: dccomics.com