| Issue | #20 |
| Published | July 1991 |
| Cover Price | 1.75 |
| Pages | 36 |
| Editing | Andrew Helfer; Kevin Dooley (assistant editor) |
| Characters | Batman |
| Genre | superhero |
| Pencils | Jose Luis Garcia-Lopez (s) |
| Inks | Jose Luis Garcia-Lopez (s) |
| Colors | Steve Oliff ? |
| Characters | Batman; Alfred; Randolph Porter; General Slaycroft and his son Timmy |
| Synopsis | Batman defeats the general and Professor Randolph, who are ultimately killed by their own machinations. |
| Genre | superhero |
| Script | Dennis O'Neil |
| Pencils | Russell Braun (c); Trevor Von Eedon (layouts) (c) |
| Inks | Jose Luis Garcia-Lopez (c) |
| Colors | Steve Oliff |
| Letters | Willie Schubert |
| Reprinted | in Batman: Venom (DC, 1993 series) #nn |