| Release: | Jun 17, 2009 |
| Cover: | Aug 2009 |
Mash Up, Part 2
| Release: | Jun 17, 2009 |
| Cover: | Aug 2009 |
Superman and Batman examine the world they're in, where all of the heroes seem to be combinations of two others. The villains are similarly combined, and it's up to the powerful pair to find out what's going on with this world and find a way back to the real one.
| Writer | Michael Green, Mike Johnson |
| Artist | Francis Manapul |
| Colorist | Brian Buccellato |
| Letterer | Rob Leigh |
| Editor | Eddie Berganza, Adam Schlagman |
| Batman | Bruce Wayne |
| Superman | Kal-El / Clark Kent |
| Lois Lane | |
| Zatanna | Zatanna Zatara |
| Raven | Rachel Roth |
| Dr. Destiny | John Dee |
| Lex Joker | |
| Doomstroke | Slade |
| Terranado | Terra Mark V |
| Donna Wonder | Diana Troy |
| Flash | Wally Allen |
| Night Lantern | Hal Grayson |
| Hawkbeast | Gar Katar |
| Aquaborg | Art Stone |
| Star Canary | |
| Ventrilomaker | |
| Penguello | |
| Lana Quinn | Lana Lang |
| Jimmy Two-Face | Jimmy Olsen |
| Brainycat |
| Age | Modern Age |
|---|---|
| Format | Comic |
| Series Group | Superman / Batman |
| Genre | Action | Super-Heroes |
| No. of Pages | 32 |
| Country | USA |
| Language | English |