Harley Quinn #1: Facsimile Edition — DC Comics
Issue: #1
The Joker's devoted (and demented) girlfriend debuts in her own series with an extra-length issue, featuring a cameo appearance by Batman!
Creators: Karl Kesel, Terry Dodson, Rachel Dodson, Alex Sinclair, Ken Lopez, Frank Berrios, Matt Idelson, Mike Carlin
Characters: Harley Quinn, Jack Happi, Joker, Di Happi, James Gordon, Lewis LeBeau, Poison Ivy, Batman