- Script:
- Cary Bates; Greg Weisman
- Pencils:
- Carmine Infantino
- Inks:
- Mike DeCarlo
- Colors:
- Shelley Eiber
- Letters:
- Agustin Mas
- Job Number:
- G-4579
- Genre:
- Superhero
- Characters:
- Gorilla Grodd; King Solovar; Sir Albert Wesley; Mr. Barwick; Mr. Hughes
- Synopsis:
- A retelling of the origin of Gorilla City, beginning with a space traveler who enhances the gorillas' intelligence and who dies by the actions of Grodd.
- Script:
- Tom Joyner
- Pencils:
- Fred Butler
- Inks:
- Keith Wilson [as Kez Wilson]
- Colors:
- Tatjana Wood
- Letters:
- Janice Chiang
- Job Number:
- G-4686
- Genre:
- superhero; jungle
- Characters:
- Congorilla; Congo Bill; Doc Kruger; Kawolo (dies); N'Solo
- Synopsis:
- Retells the origin of Congo Bill receiving and first using the Congorilla ring, from Action Comics (DC, 1938 series) #248.
A darker slant to the Congorilla character.
- Script:
- Andy Helfer (plot); Mark Waid [as Rusty Wells] (co-script); Dan Raspler [as Rusty Wells] (co-script)
- Pencils:
- Mark Badger
- Inks:
- Mark Badger
- Colors:
- Robbie Busch
- Letters:
- John Costanza
- Job Number:
- G-4439
- Genre:
- Superhero
- Characters:
- Detective Chimp; Y-Nad; K-Ram; Randolph; Gus
- Synopsis:
- Two aliens give a chimpanzee the power of human thought, and the chimpanzee solves a local murder mystery.
A humorous approach to why Detective Chimp was so intelligent.
- Script:
- Mark Waid
- Letters:
- typeset
- Job Number:
- L-3685
- Synopsis:
- Includes 4 explanatory articles: Secrets Behind The Goofy Cover; Secrets Behind The Origins Gorilla City; Secrets Behind The Origins Congorilla; Secrets Behind The Origins Detective Chimp.
Letters from: Mark Lucas; Charles J. Sperling. Also includes information on the next 3 issues of Secret Origins.