Marvel Mystery Comics #40

Cover A

Market Value

Ungraded: $983; as of Sep 5, 2026
Graded copies for sale: $777 - $19,639; 20 graded copies listed, as of Aug 31, 2026

The Japanese build an airfield beneath the sands of the Mojave desert in order to launch air strikes against San Francisco with planes that disperse a napalm-like substance. Torch and Toro track them down when the army fails to locate them.

Cover Date

February 1, 1943

On Sale Date

December 23, 1942

Pages

Cover Price

$0.10

Editor

Vince Fago

Credits

Writer

Cifo Uthbert, Ed Robbins, Ray Gill, Roy Garn

Penciller

Alex Schomburg, Bob Oksner, Carl Pfeufer, Ed Robbins, Gustav Schrotter, Harry Sahle

Inker

Alex Schomburg, Al Fagaly, Bob Oksner, Carl Pfeufer, Ed Robbins, Gustav Schrotter, Harry Sahle

Characters

A Japanese spy ring (villains, introductions)

superhero

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