- Script:
- Carl Burgos (signed)
- Pencils:
- Carl Burgos (signed)
- Inks:
- Carl Burgos (signed)
- Colors:
- ?
- Letters:
- Carl Burgos ?
- Genre:
- superhero
- Characters:
- The Human Torch [Jim Hammond]; Inspector Reiss; Clancy (Policeman); Johnson; Maizie (introduction, underecover Policewoman); Dr. Manyac (villain, introduction); the Green Flames (villains, introduction for all, some deaths)
- Synopsis:
- Torch has to deal with the ransom threats by a Dr. Manyac, who plans to use the Green Flames as a tool to exact revenge if his demands are not met.
- Reprints: show reprint note before migration
Torch assumes Jim Hammond identity, and still wears blue uniform. Letterer credit added by Craig Delich 2008-11-8.
- Script:
- Ray Gill ?
- Pencils:
- Paul Gustavson
- Inks:
- Paul Gustavson
- Colors:
- ?
- Letters:
- ?
- Genre:
- superhero
- Characters:
- The Angel [Tom Halloway]; Butch (villain, introduction, death, a giant); Rickie (villain, death); Brink (villain, introduction); Weasel (villain, death)
- Synopsis:
- The Angel ventures into The Devil's Playground, which harbors killers, murderers, and every other imaginable menace to civilization in order to battle a giant who carries out the gruesome activities.
- Reprints: show reprint note before migration
Writer revision from Paul Gustavson to ?. The Who's Who only lists Gustavson only for art on this strip, and also lists Ray Gill as the only writer in 1940, and this story may be by him. Notes added by Craig Delich 2008-11-8.
- Script:
- Bill Everett (signed)
- Pencils:
- Bill Everett (signed)
- Inks:
- Bill Everett (signed)
- Colors:
- ?
- Letters:
- Bill Everett
- Genre:
- superhero
- Characters:
- The Sub-Mariner [Prince Namor]; Betty Dean; Tha-Korr; Council of Three (introduction, Atlantean rulers); the Nazis (villains)
- Synopsis:
- Betty, concerned on what effect the Nazi submarine warfare has had on ocean-going travel and commerce, enlists the aid of the Sub-Mariner and his aerial subs to deal with the problem.
- Reprints: show reprint note before migration
Story continued next issue.
- Script:
- ?
- Pencils:
- Al Anders [as Anders] (signed)
- Inks:
- Al Anders [as Anders] (signed)
- Colors:
- ?
- Letters:
- ?
- Genre:
- western
- Characters:
- The Masked Raider [Jim Gardley]; Zeb; Luke; Manuel; Ben; Buck and his gang (villains, some die)
- Synopsis:
- A couple of prospectors discover a large gold deposit on their property, but are threatened by local crooks to give them the location of that claim.
- Reprints: show reprint note before migration
Writer revision from Al Anders to ?. The Who's Who lists no writers for this strip and Anders was an artist only. Notes added by Craig Delich 2008-11-8.
- Script:
- David G. Cooke (signed)
- Pencils:
- Harry Ramsey [as H. Ramsey] (signed)
- Inks:
- Harry Ramsey [as H. Ramsey] (signed)
- Colors:
- ?
- Letters:
- typeset
- Genre:
- mystery
- Characters:
- Steve; Naylor; Jim Stinson; "Slip" Rodney (villain)
- Synopsis:
- Steve picks up a hitchhiker along side a road, not knowing that he is a wanted killer.
- Reprints: show reprint note before migration
The statement of ownership is printed in the last column of the story. Artist's first name and note added by Craig Delich 2008-11-8.
- Script:
- Abraham Goodman; Maurice Coyne (notary)
- Letters:
- typeset
- Editing:
- Timely Publications (owner); Abraham Goodman (owner, publisher); Martin Goodman (editor, managing editor, business manager)
- Synopsis:
- Statement of ownership of "Marvel Mystery Comics, published monthly, at Buffalo, New York, for October 1, 1939."
All addresses for Martin and Abraham Goodman as well as for Timely Publications given as 330 W. 42nd St., N. Y. C.
- Script:
- ?
- Pencils:
- Steve Dahlman [as Dahl] (signed)
- Inks:
- Steve Dahlman [as Dahl] (signed)
- Colors:
- ?
- Letters:
- ?
- Genre:
- superhero
- Characters:
- Electro (introduction, origin, a robot); Prof. Philo Zog (Electro's creator); the twelve Secret Operatives (introduction); Dick Gardner (secret operative #3); Little Joyce Lovely; Hymie "The Weasel" Pazetto (villain, introduction)
- Synopsis:
- Professor Zog creates a marvelous robot, all powerful and intelligent, as a means of helping humainity by banishing all crime and evil. Electro's first case is to rescue a kidnapped child actress.
- Reprints: show reprint note before migration
Writer revision from Steve Dahlman to ?. The Who's Who lists no writer for this strip. Notes added by Craig Delich 2008-11-8.
- Script:
- Stockbridge Winslow (signed)
- Pencils:
- Irwin Hasen [as I. Hasen] (signed)
- Inks:
- Irwin Hasen [as I. Hasen] (signed)
- Colors:
- ?
- Letters:
- ?
- Genre:
- mystery
- Characters:
- Ferret (introduction); Lynn Froehm; Doc Wagner (villain, introduction); Knuckles Johnson (villain, death)
- Synopsis:
- Our hero faces a challenge from the underworld, who doesn't take a liking to his "crime doesn't pay" articles and is out robbing and killing people for jewelry.
- Reprints: show reprint note before migration
- Script:
- ?
- Pencils:
- Ben Thompson (signed)
- Inks:
- Ben Thompson (signed)
- Colors:
- ?
- Letters:
- ?
- Genre:
- jungle
- Characters:
- Ka-Zar [David Rand]; Zar (a lion); Chaka (ape leader); N'Jaga (a leopard); Sinessa (a snake); Kru (a vulture); Trajah (an elephant); Paul De Kraft [aka Fat Face] (villain); Ed Kivlin (villain, introduction); Inkosi (villain)
- Synopsis:
- De Kraft returns to the Belgian Congo, where, years earlier, he had killed Ka-Zar's parents, and when Ka-Zar spots him, he swears revenge. Now De Kraft uses deadly tactics to deal with the natives, who want to desert him because they fear retribution from the "Jungle God".
- Reprints: show reprint note before migration
Story continued in the next issue. Bracketed story title found in the last panel of story in Marvel Mystery #3. Writer revision from Ben Thompson to ?. The Who's Who does not list a writer for this strip. Notes added by Craig Delich 2008-11-8.