| Unofficial Crack Comics Index |
Credits:
| Art | Lou Fine |
| Lettering | Lou Fine |
| Editing | Ed Cronin |
Feature Character(s):
Supporting Character(s):
Villain(s):
- Jasper Crow and his gang (last in issue #18; including Mysto the Hindu, who hypnotizes guards into forgetfulness)
Location(s):
- Washington, DC
- New York City, NY
Credits:
| Story | George Brenner |
| Art | George Brenner |
| Lettering | George Brenner |
| Editing | Ed Cronin |
Feature Character(s):
Supporting Character(s):
- Police Captain Kane
Villain(s):
- Gelton Boys (first appearance for all; cause a cross country crime spree)
Credits:
| Story | Fred Guardineer |
| Art | Fred Guardineer |
| Lettering | Fred Guardineer |
| Editing | Ed Cronin |
Feature Character(s):
Villain(s):
- German Navy (first appearance for all; uses invasive non-native bugs to destroy America's food supply)
Credits:
| Art | Vernon Henkel |
| Lettering | Vernon Henkel |
| Editing | Ed Cronin |
Feature Character(s):
Villain(s):
- German agents (first appearance for all; steal an oil substitute formula; Z-10 named)
Other Character(s):
- Little Pierre (first appearance; a French taxi driver working in Lisbon)
Location(s):
- Lisbon, Spain
- London, England
Credits:
| Art | Henry Kiefer |
| Lettering | Henry Kiefer |
| Editing | Ed Cronin |
Feature Character(s):
- Red Torpedo (Jim Lockhart; next in flashback in Secret Origins Vol. 2 #26/2)
Villain(s):
- Black Shark (runs a secret tank factory for the Nazis; last appearance)
- Nazis
Location(s):
- Caribbean Sea
Comment(s):
- Henry Kiefer credited as Drew Allen.
Credits:
| Story | Art Pinajian |
| Art | Art Pinajian |
| Lettering | Art Pinajian |
| Editing | Ed Cronin |
Feature Character(s):
Villain(s):
- League of Haunted Men (first appearance for all; escaped convicts who pull crimes together; Mycroft (Scrappy's uncle) named )
Other Character(s):
- Tubby White and Scrappy Nelson (first appearance for both; former newsies who form a detective agency)
Credits:
| Story | Paul Gustavson |
| Art | Paul Gustavson |
| Lettering | Paul Gustavson |
| Editing | Ed Cronin |
Feature Character(s):
Villain(s):
- Ghost of Candlewood Estate (first appearance; hereditary insane member tries to kill other members of family for inheritance; dies)