| Unofficial Crack Comics Index |
Credits:
| Art | Lou Fine |
| Lettering | Lou Fine |
| Editing | Ed Cronin |
Feature Character(s):
Supporting Character(s):
Villain(s):
- Jasper Crow (supervises the kidnapping and hypnosis of scientists who build submarines for a foreign power; next in issue #20)
Location(s):
- Cape Hattaras, NC
Story Reprinted in:
- Superman Vol. 1 #252/5 (June 1972)
Credits:
| Art | Harry Kiefer |
| Lettering | Harry Kiefer |
| Editing | Ed Cronin |
Feature Character(s):
Villain(s):
- Black Shark (double crossed by "Mongol" Navy)
- "Mongol" Navy (first appearance)
Other Character(s):
- Professor Grey (first appearance; discovers gold in a sunken treasure; see Comments)
Location(s):
- Cocos Isle, Indian Ocean
Comment(s):
- The Professor Grey shown in this story may be related to another archaeologist, Richard Grey, biological father of the Black Condor.
Credits:
| Art | Fred Guardineer |
| Lettering | Fred Guardineer |
| Editing | Ed Cronin |
Feature Character(s):
Villain(s):
- A foreign agent (first appearance; tries to sabotage a railroad track)
Location(s):
- Delaware
Credits:
| Story | Paul Gustavson |
| Art | Paul Gustavson |
| Lettering | Paul Gustavson |
| Editing | Ed Cronin |
Feature Character(s):
Supporting Character(s):
- Chuck
Villain(s):
- The Crow (first appearance; a crime boss; probably dies)
Location(s):
- New York City, NY
Comment(s):
- The Spider uses Black Widow in this story.
Credits:
| Art | Art Pinajian |
| Lettering | Art Pinajian |
| Editing | Ed Cronin |
Feature Character(s):
Villain(s):
- Black Witch (first appearance; a voodoo priestess who tries to use the heart of an explorer's wife to achieve eternal life; dies)
Credits:
| Story | George Brenner |
| Art | George Brenner |
| Lettering | George Brenner |
| Editing | Ed Cronin |
Feature Character(s):
Villain(s):
- The Terror (Bunds Bale; first appearance; a former racketeer who begins poisoning city officials)