Harley's Little Black Book — DC Comics
Issue: #4
Harley’s been to some very strange places in her bizarre life…but an alternate-reality time-travel trip is a new one even for her! Somehow, some way, Harley’s managed to find herself in the world of the Bombshells, a universe where female heroes have taken to the battlefield of World War II! And most unbelievably of all…she’s gonna meet herself?! Our heads hurt already.
Creators: Dave Sharpe, Alex Sinclair, Paul Mounts, Dave Wielgosz, Mark Doyle, Chris Conroy, Jimmy Palmiotti, Amanda Conner, Billy Tucci, Flaviano Armentaro, Joseph Michael Linsner
Characters: Joker, Big Tony, Catwoman, Egg Fu, Harley Quinn, Zatanna, Big Barda, Batwoman, Amanda Waller, Nathan the Dachshund, Sgt. Rock