Issue Details

Issue	#4
Published	February-March 1941
Cover Price	0.10 USD
Pages	68
Editing	Victor Fox

Cover Details

Characters	The Green Mask [Michael Shelby]; Domino [Don]
Pencils	Chuck Cuidera?
Inks	Chuck Cuidera?

20 page Green Mask story "The Payroll Pirates"

Characters	The Green Mask [Michael Shelby]; Gunner Cleet (first appearance; villain; death)
Pencils	Walter Frehm?
Inks	Walter Frehm?

11 page Green Mask story "The Factory Explosions"

Characters	The Green Mask [Michael Shelby]; Marya (first appearance; villain); Malone (first appearance; villain)
Pencils	Walter Frehm?
Inks	Walter Frehm?

8 page Green Mask story "The Murder of Zarano"

Characters	The Green Mask [Michael Shelby]; Motov (first appearance; villain)
Pencils	Walter Frehm?
Inks	Walter Frehm?

2 page text story "Smugglers of the Rio"

Script	Nathaniel Nitkin [as N. N. Nathaniel]
Letters	typeset

8 page Spark Stevens story "The Radio-Controlled Blimp"

Characters	The Master (first appearance; villain); Herman (first appearance; villain); Adolf (first appearance; villain); Otto (first appearance; villain); Benito (first appearance; villain)
Script	Klaus Nordling?
Pencils	Klaus Nordling?
Inks	Klaus Nordling?

8 page Dr. Doom story "The Paralyzing Poison"

Pencils	Martin Nodell
Inks	Martin Nodell
Notes	last app. in SCIENCE COMICS #8; last appearance

4 page Navy Jones story "Vendetta With U-204"

Characters	Von Baldur (first appearance; villain; death)
Script	Bert Whitman
Pencils	Bert Whitman
Inks	Bert Whitman
Notes	last app. in WEIRD COMICS #10