"Secret Origins: Harley Quinn"
Harley Quinn origin story.
By Amanda Conner, Jimmy Palmioti and Stephane Roux.
"Secret Origins: Green Arrow"
Green Arrow (Oliver Queen) origin story.
By Jeff Lemire and Denys Cowan.
"A Boy's Life: Damian Wayne, Robin"
Robin (Damian Wayne) origin story.
By Peter Tomasi and Ian Bertram.
*The latest explosive origins from DC Comics - The New 52 include Harley Quinn by Amanda Conner, Jimmy Palmiotti and Stephane Roux; Green Arrow by Jeff Lemire, Denys Cowan and Bill Sienkiewicz, and Damian, Son of Batman, by Peter J. Tomasi and Ian Bertram! *Source: dccomics.com