| Issue | #10 |
| Published | August 1940 |
| Frequency | monthly |
| Cover Price | 0.10 USD |
| Pages | 68 |
| Editing | Joe Simon ? |
| Notes | Joe Simon began editing for Timely on a freelance basis with Red Raven Comics #1, which came out the same month as this issue. It is not clear if he immediately started editing Marvel Mystery Comics as well or not, although he was definitely the editor by issue #12 as discussed in that index. |
| Characters | The Sub-Mariner; inset: Ka-Zar, The Angel, Electro, Human Torch, Terry Vance & Dr. Watson. |
| Genre | superhero |
| Pencils | Alex Schomburg |
| Inks | Alex Schomburg |
| Letters | typeset |
| Reprinted | In Invaders, The (Marvel, 1975 series) #21 (October 1977); in Marvel 65th Anniversary Special (Marvel, 2004 series) #1; in Marvel Masterworks: Golden Age Marvel Comics (Marvel, 2004 series) #3 (2008). |
| Characters | The Human Torch [Jim Hamond]; The Sub-Marin er [Prince Namor]; GS: Betty Dean. |
| Synopsis | Trapped in a translite tube, only the intervention of Betty Dean saves the Torch and ends the battle between him and Namor. |
| Genre | superhero |
| Script | Bill Everett; Carl Burgos; John Hampton |
| Pencils | Bill Everett; Carl Burgos |
| Inks | Bill Everett; Carl Burgos |
| Notes | Conclusion of the Human Torch/Sub-Mariner battle. Some indo and synopsis added by Craig Delich 11-23-08. |
| Reprinted | In Marvel 65th Anniversary Special (Marvel, 2004 series) #1; in Marvel Masterworks: Golden Age Marvel Comics (Marvel, 2004 series) #3 (2008). |
| Characters | The Human Torch [Jim Hamond]; Tom; Atwell; Villains: Palmer, Limpy, and Riley (I for all). |
| Synopsis | Torch must battle a gas syndicate who tries to raise the price of gasoline, and bombs any gas station refusing to go along. |
| Genre | superhero |
| Script | Carl Burgos (signed) |
| Pencils | Carl Burgos (signed) |
| Inks | Carl Burgos (signed) |
| Notes | Some info and synopsis added by Craig Delich 11-23-08. |
| Reprinted | In Marvel Masterworks: Golden Age Marvel Comics (Marvel, 2004 series) #3 (2008). |
| Characters | The Sub-Mariner (Prince Namor); Cap'n Bob; I: Luther Robinson, Lynne; GS: Tha-Korr, Dorma. |
| Synopsis | Because of Namor's seemingly inability to handle the Torch, he is suspended from all active service. Meanwhile, a group of hardened ice field seamen, led by Luther Robinson, seek out the Sub-Mariner to destroy him. |
| Genre | superhero |
| Script | Bill Everett (signed) |
| Pencils | Bill Everett (signed) |
| Inks | Bill Everett (sihned) |
| Notes | Some info and synopsis added by Craig Delich 11-23-08. |
| Reprinted | In The Invaders (Marvel, 1975 series) #21 (October 1977)' in Marvel Masterworks: Golden Age Marvel Comics (Marvel, 2004 series) #3 (2008). |
| Characters | The Angel [Tom Hallaway]; V: A band of ghouls (I, D). |
| Synopsis | The Angel must cope with weird "devils of the mist", who have been released from the bowels of the earth by a volcano, and who are kidnapping young women top side to sacrifice to that volcano. |
| Genre | superhero |
| Script | Ray Gill? |
| Pencils | Paul Gustavson (signed) |
| Inks | Paul Gustavson (signed) |
| Notes | Writer revision from Paul Gustavson to Ray Gill?. The Who's Who only lists Ray Gill as writer in 1940 and this story may be by him. Notes, much info and synopsis added by Craig Delich 11-23-08. |
| Reprinted | In Marvel Masterworks: Golden Age Marvel Comics (Marvel, 2004 series) #3 (2008). |
| Characters | Electro; Professor Zog; Villains: Dr. Bruno Varoz (I, D), his army of living corpses (I, D), a two-headed monster (I, D). |
| Synopsis | Electro is called into service to battle an evil, now insane, ex-genius of brain surgery, stationed in an old castle somewhere off the coast of Cuba, who has successfully created artifical blood. |
| Genre | adventure |
| Pencils | Steve Dahlman (signed) |
| Inks | Steve Dahlman (signed) |
| Notes | Writer revision from Steve Dahlman to ?. The Who's Who lists NO writer for this strip. Notes, some info and synopsis added by Craig Delich 11-23-08. |
| Reprinted | In Marvel Masterworks: Golden Age Marvel Comics (Marvel, 2004 series) #3 (2008). |
| Characters | Tiger Travis; V: Miles Gudgeon. |
| Synopsis | Miles Gudgeon is on the run after murdering a young boy over a handful of perals. |
| Genre | adventure |
| Script | Beach Allen (signed) |
| Pencils | Ed Robins (signed as E.R.) |
| Inks | Ed Robins (signed as E.R.) |
| Letters | typeset |
| Notes | Much info, art credits and synopsis added by Craig Delich 11-23-08. |
| Reprinted | In Marvel Masterworks: Golden Age Marvel Comics (Marvel, 2004 series) #3 (2008). |
| Characters | The Masked Raider [Jim Gardley]; Jonathan Gregg [D]; Sally; un-named Sheriff; V: un-named crook. |
| Synopsis | A criminal who has fatally wounded a tax collector sees the Raider getting papers from the dying man man, and works out a scheme to convince the Sheriff that the Raider is the murderer.....all as a blind to steal the tax money himself. |
| Genre | western |
| Pencils | Al Anders |
| Inks | Al Anders |
| Notes | Writer revision from Al Anders to ?. The Who's Who lists NO writer for this strip. Notes, most info and synopsis added by Craig Delich 11-23-08. |
| Reprinted | In Marvel Masterworks: Golden Age Marvel Comics (Marvel, 2004 series) #3 (2008). |
| Characters | Terry Vance [I]; Dr. Watson (a monkey); Dr. Caldwell [D]; V: Gregory (I). |
| Synopsis | While Terry Vance, Tthe Boy of a Hundred Hobbies" works on an experiment, he hears a Police call of someone murdered in a penthouse. Investigating, he discovers the man has been murdered by "remote control"! |
| Genre | detective |
| Script | Ray Gill |
| Pencils | Bob Oksner |
| Inks | Bob Oksner |
| Notes | Much info and synopsis added by Craig Delich 11-23-08. |
| Reprinted | In Marvel Masterworks: Golden Age Marvel Comics (Marvel, 2004 series) #3 (2008). |
| Characters | Ka-Zar [David Rand]; Zar [a lion]; Nono [a monkey]; V: London Jack (I). |
| Synopsis | A wanted criminal captures two Scotland Yard detectives and leaves them for dead, while he attempts to fly out of the jungle to freedom. |
| Genre | jungle |
| Pencils | Ben Thompson (signed) |
| Inks | Ben Thompson (signed) |
| Notes | Writer revision from Ben Thompson to ?. The Who's Who lists NO writer for this strip. Notes, much info and synopsis added by Craig Delich 11-23-08. |
| Reprinted | In Marvel Masterworks: Golden Age Marvel Comics (Marvel, 2004 series) #3 (2008). |
| Characters | Dan Druff; "Jolly Joe" Josh; Clem Chowder; Professor O. U. Chiseler; Oscar Tittle. |
| Synopsis | Features a series of humorous inventors and the problems their inventions have caused. |
| Genre | humor |
| Script | Gene Marrin? |
| Pencils | Gene Marrin (signed) |
| Inks | Gene Marrin (signed) |
| Letters | Gene Marrin? |
| Notes | Sequence and all info added by Craig Delich 11-23-08. |
| Reprinted | In Marvel Masterworks: Golden Age Marvel Comics (Marvel, 2004 series) #3 (2008). |