Injustice: Ground Zero — DC Comics
Issue: #6
Harley's "reunion" with the parallel Earth Joker doesn't go very smoothly, while Nightwing tries to take them both down.
Creators: Rob Levin, Wes Abbott, Brian Buccellato, Christopher Sebela, Marco Santucci, Ben Oliver, Jim Chadwick, J. Nanjan
Characters: Batman, Superman, Joker, Harley Quinn, Damian Wayne, Hal Jordan, Aquaman, Hawkgirl, Wonder Woman, Green Arrow, Larry, Perry