Dynamo No. 4
June 1967
Cover: Dynamo rescuing Alice Robbins from oncoming train as SPIDER agent watches //Wally Wood (signed)
Story: "The Maze" (10 pages)
Editor: Samm Schwartz
Writer, penciller: Dan Adkins
Inker: Wally Wood
Feature Character: Dynamo (last appearance in THUNDER Agents#13)
GA: NoMan (last appearance in THUNDER Agents#13)
Supporting Characters: The Chief (last appearance in THUNDER Agents#13), Alice Robbins
Villains: The alien race and their robots (last appearance for all)

Story: "The Secret Word Is..." (10 pages)
Editor: Samm Schwartz
Writer, artist: Wally Wood
Feature Character: Dynamo
GS: Lightning, Weed Wylie (last appearance for both in THUNDER Agents#13), NoMan
Supporting Characters: The Chief, Alice Robbins
Villains: SPIDER (last appearance in THUNDER Agents#13)
Comment: This story refers to the old Captain Marvel series from Fawcett and the word "Shazam!".

Story: "Dynamo's Day Off" (10 pages)
Editor: Samm Schwartz
Writer: Wally Wood?
Artist: Chic Stone
Feature Character: Dynamo
GS: Weed Wylie
Supporting Characters: The Chief, Alice Robbins
Intro: Shirley (only appearance)
Villains: Wanda (first and only appearance), SPIDER
Synopsis: A female SPIDER agent uses her wiles to steal Dynamo's belt from him while both are at the beach.

Story: "The Weakest Man in the World" (10 pages)
Editor: Samm Schwartz
Writer: Wally Wood?
Artist: Chic Stone
Feature Character: Dynamo
Supporting Characters: The Chief, Alice Robbins, Roxanne Short (first appearance; next appears in THUNDER Agents#15)
Villains: Rufus, an Iron Maiden robot (first and only appearance for both), the Iron Maiden, SPIDER (next appear in THUNDER Agents#14)

Story: "Once Upon a Time" (10 pages)
Editor: Samm Schwartz
Writer, inker: Wally Wood
Penciller: Steve Ditko
Feature Character: Weed Wylie (next appears in THUNDER Agents#14)
GS: Dynamo, Lightning, NoMan (all next appear in THUNDER Agents#14), Raven, Kitten Kane (both between THUNDER Agents#13 / 14)
Intro: Weed's niece and nephew (only appearance)
Villains: Iron Maiden (next appears in THUNDER Agents#15) and her gang (first and only appearance)