Batgirl and the Birds of Prey — DC Comics
Issue: #11
“Source Code” part one! The Birds of Prey tentatively accepted working with the new Oracle, even though they knew he'd gone down a dark road to find them…but did they have any idea how dark? His story unfolds here—including the identity of the person who trained him, to whom he owes a dangerous debt!
Creators: Dave Wielgosz, Mark Doyle, Allen Passalaqua, Chris Conroy, Julie Benson, Kamome Shirahama, Nathan Fairbairn, Roge Antonio, Shawna Benson, Yanick Paquette, Joshua Reed
Characters: Catwoman, Huntress (Bertinelli), Deathstroke, Barbara Gordon, Black Canary, Oracle, Calculator
Story arcs: Source Code