| Issue | #642 |
| Published | September 2005 |
| Frequency | monthly |
| Cover Price | 2.50 USD; 3.50 CAD |
| Pages | 36 |
| Editing | Bob Schreck; Michael Wright (associate editor) |
| Characters | Batman [Bruce Wayne]; Killer Croc |
| Genre | Superhero |
| Pencils | Mark Simpson [as Jock] (signed) |
| Inks | Mark Simpson [as Jock] (signed) |
| Colors | Mark Simpson [as Jock] (signed) |
| Characters | Batman [Bruce Wayne]; Killer Croc [Waylon Jones]; Mad Hatter [Jervis Tetch]; Black Mask [Roman Sionis]; Hatcher (police officer) |
| Synopsis | Killer Croc manages to remove the chip from his brain that the Mad Hatter was using to control him, and he goes looking for the Hatter for revenge. |
| Genre | Superhero |
| Script | Andersen Gabrych |
| Pencils | Chris Marrinan |
| Inks | Andrew Pepoy |
| Colors | Alex Sinclair |
| Letters | Pat Brosseau |
| Letters | Typeset |
| Notes | DC house ads for July 2005 |