| Issue | #48 |
| Published | December 1990 |
| Cover Price | 1.00 USD; 1.25 CAD |
| Pages | 36 |
| Editing | Dan Raspler |
| Characters | Joker; Barbara Gordon [Batgirl; Oracle]; Thinker [Cliff Carmichael] |
| Genre | Superhero; Spy |
| Pencils | Steve Lightle (signed) |
| Inks | Steve Lightle (signed) |
| Characters | Suicide Squad [Amanda Waller; Count Vertigo [Werner Vertigo]]; Oracle [Barbara Gordon; Batgirl in flashback] (origin); Simon LaGrieve; Dr. Miller; Marge Kane; Ricky Flag (Rick Flag and Karin Grace's son; first appearance); Batman [Bruce Wayne] (flashback); Commissioner James Gordon (flashback); VILLAINS: Thinker II [Cliff Carmichael] (first appearance); Joker (flashback) |
| Synopsis | A new and improved Thinker is slowly making his way towards Oracle, and Amanda is desperate to find her first and come to the rescue. Plus, the origin of Oracle. |
| Genre | Superhero; Spy |
| Script | John Ostrander; Kim Yale |
| Pencils | Geof Isherwood |
| Inks | Geoff Isherwood |
| Colors | Tom McCraw |
| Letters | Todd Klein |