| Issue | #12 |
| Published | July 2010 |
| Frequency | Monthly |
| Cover Price | 2.99 USD |
| Pages | 36 |
| Editing | Mike Marts; Janelle Siegel (assistant) |
| Notes | U.S. on sale date: 2010-05-26. Copyright © 2010 DC Comics. |
| Characters | Catwoman [Selina Kyle]; Harley Quinn [Harleen Quinzel] |
| Genre | Superhero |
| Pencils | Guillem March (signed) |
| Inks | Guillem March (signed) |
| Colors | Guillem March (signed) |
| Characters | Selina Kyle [Catwoman]; Harleen Quinzel [Harley Quinn]; Pamela Isley [Poison Ivy; also as Dr. Paula Irving]; Alisa Adams; Sister Agatha (death); Maggie Kyle |
| Synopsis | Maggie believes her sister is possessed, and will do anything to free her soul, including kill her. |
| Genre | Superhero |
| Script | Tony Bedard |
| Pencils | Peter Nguyen |
| Inks | Jack Purcell |
| Colors | Tony Avina |
| Letters | Steve Wands |
| Characters | Batman [Bruce Wayne] |
| Genre | Superhero |
| Script | Neal Adams |
| Pencils | Neal Adams |
| Notes | Cover and 5 page black and white preview of Batman: Odyssey (DC, 2010 series) #1. |
| Characters | Batman; Robin; Red Hood; Superman [Clark Kent; Kal-El] |
| Genre | Superhero |
| Script | Alex Segura |
| Letters | typeset |
| Notes | Alex Segura talks about how special variant covers will be revealed on The Source (http://dcublog.com). |