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Keen Detective Funnies #7
Centaur
•
1939
•
Vol. 1
Key Facts
1st appearance of Masked Marvel
Keen Detective Funnies #8
Centaur
•
1938
•
Vol. 1
Non-Key
Keen Detective Funnies #9
Centaur
•
1938
•
Vol. 1
Non-Key
Keen Detective Funnies #10
Centaur
•
1938
•
Vol. 1
Non-Key
Keen Detective Funnies #11
Centaur
•
1938
•
Vol. 1
Non-Key
Keen Detective Funnies #18
Centaur
•
1940
•
Vol. 1
Non-Key
Keen Detective Funnies #19
Centaur
•
1940
•
Vol. 1
Non-Key
Keen Detective Funnies #20
Centaur
•
1940
•
Vol. 1
Key Facts
Pre-Comics Code Authority horror cover art depicting a disembodied eyeball blasting humans with a power ray
Key Facts
Pre-Comics Code Authority horror cover art depicting a disembodied eyeball blasting humans with a power ray
Keen Detective Funnies #21
Centaur
•
1940
•
Vol. 1
Non-Key
Keen Detective Funnies #22
Centaur
•
1940
•
Vol. 1
Non-Key
Keen Detective Funnies #23
Centaur
•
1940
•
Vol. 1
Key Facts
1st appearance of Air Man
Keen Detective Funnies #24
Centaur
•
1940
•
Vol. 1
Non-Key
Key Facts
Cover art featuring Air Man
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