- Script
- Len Brown; Tim Brent (see notes)
- Pencils
- Dan Adkins; Wally Wood (signed as Wood)
- Inks
- Wally Wood (signed as Wood)
- Colors
- ?
- Letters
- Victor Gorelick ?
- First Line of Dialogue or Text
- A T.H.U.N.D.E.R. agent must be prepared for anything...
- Genre
- superhero
- Characters
- Dr. Sparta (first appearance)
- Reprints
"some work on script" per Tim Battersby's work records as published in Alter Ego # 152, May 2018.
- Script
- Steve Skeates; Tim Brent (see notes)
- Pencils
- Mike Sekowsky
- Inks
- Frank Giacoia; Joe Giella
- Colors
- ?
- Letters
- Victor Gorelick ?
- Genre
- superhero
- Reprints
"Some work on script", per Tim Battersby's work records as published in Alter Ego # 152, May 2018. First appearance of Mastermind.
- Script
- Samm Schwartz ?
- Letters
- typeset
Letters from Calvin Castine and Denny Maher.
- Script
- ?
- Pencils
- Dan Adkins
- Inks
- Wally Wood
- Colors
- ?
- Letters
- Victor Gorelick ?
- Genre
- superhero
- Characters
- THUNDER (origin)
- Synopsis
- The origin of T.H.U.N.D.E.R.
- Reprints
Adkins pencils per The Wally Wood Checklist. Previous indexer credited Wood.
- Script
- Steve Skeates
- Pencils
- Mike Sekowsky
- Inks
- Frank Giacoia; Joe Giella
- Colors
- ?
- Letters
- ?
- Genre
- superhero
- Reprints
Origin and first appearance of Lightning. Vs. Baron von Kampf (first appearance).
- Script
- Tim Brent; Wally Wood (see notes)
- Pencils
- Reed Crandall
- Inks
- Wally Wood; Dan Adkins
- Colors
- ?
- Letters
- Victor Gorelick
- First Line of Dialogue or Text
- When the first of the subterranean beings, the 'Warlord', was destroyed by the T.H.U.N.D.E.R. agents, the Iron Maiden was captured...
- Genre
- superhero
- Characters
- NoMan; THUNDER Squad
- Reprints
Battersby script and plot; revised by Wood. Info from Battersby's work records as published in Alter Ego # 152, May 2018.