| Issue | #11 |
| Published | September 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 previous month. 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 Human Torch; insets of Sub-Mariner, Angel, Ka-Zar. |
| Genre | superhero |
| Pencils | Alex Schomburg |
| Inks | Alex Schomburg |
| Reprinted | In Marvel Masterworks: Golden Age Marvel Comics (Marvel, 2004 series) #3 (2008). |
| Characters | Marvel Boy; the Fiery Mask; Red Raven; Hercules |
| Synopsis | Promotional illustrated ad with covers for Mystic Comics #4, Daring Mystery Comics #6, and Red Raven Comics #1, and the Fiery Mask series. |
| Genre | superhero |
| Pencils | various |
| Inks | various |
| Notes | Found on the inside front cover. Sequence and all info added by Craig Delich 12-19-08. |
| Reprinted | In Marvel Masterworks: Golden Age Marvel Comics (Marvel, 2004 series) #3 (2008). |
| Characters | The Human Torch [Jim Hamond]; Dr. Stone [I]; Reed; Casey; Tom; Villains: Frank Simmons (I, D), Roddy (I, D), Skeets, J.B. (I)(Jane Bradley: no appearance...behind the scenes). |
| Synopsis | The Torch takes the law into his own hands, when, against orders, he helps a doctor burn down plague-infected slum housing. |
| Genre | superhero |
| Script | Carl Burgos (signed) |
| Pencils | Carl Burgos (signed) |
| Inks | Carl Burgos (signed) |
| Notes | Much info and synopsis added by Craig Delich 12-19-8. |
| Reprinted | In Marvel Masterworks: Golden Age Marvel Comics (Marvel, 2004 series) #3 (2008). |
| Characters | The Sub-Mariner [Prince Namor]; GS: Tha-Korr, Dorma, Princess Fen; Villains: Luther Robinson, Mickey; Lynne Harris; Mr. Martin. |
| Synopsis | Luther Robinson follows Namor back to his Antarctic home and attempts to capture him: dead or alive, but is eventually taken prisoner, informed that his girlfriend is also being held to insure he will not try to escape justice. |
| Genre | superhero |
| Script | Bill Everett (signed) |
| Pencils | Bill Everett (signed) |
| Inks | Bill Everett (signed) |
| Letters | Bill Everett |
| Notes | Continued next issue. Some info and synopsis added by Craig Delich 12-19-08. |
| Reprinted | In Marvel Masterworks: Golden Age Marvel Comics (Marvel, 2004 series) #3 (2004). |
| Characters | The Masked Raider [Jim Gardley]; Sheriff; Billy; V: un-named Deputy [posing as an egg woman]. |
| Synopsis | A series of robberies confounds the Raider until a dog un-intentionally helps solve the case. |
| 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, some info and synopsis added by Craig Delich 12-19-08. |
| Reprinted | In Marvel Masterworks: Golden Age Marvel Comics (Marvel, 2004 series) #3 (2008). |
| Characters | Ka-Zar [David Rand]; Zar [a lion]; Trajah [an elephant]; Jim VanGelder; Villains: Rajah Sarput (I), Bradley (I). |
| Synopsis | When an evil man named Sarput takes possession of a large tract of land in the Belgian Congo jungle, Ka-Zar and Zar do battle with him to prevent the slaughter/capture of many animals, only to be taken prisoner themselves. |
| Genre | jungle |
| Pencils | Ben Thompson |
| Inks | Ben Thompson |
| Notes | Story contains 2-page spread (pgs. 4, 5) and is continued next issue. Writer revision from Ben Thompson to ?. The Who's Who lists no writer for this strip. Some notes, info and synopsis added by Craig Delich 12-19-08. |
| Reprinted | In Marvel Masterworks: Golden Age Marvel Comics (Marvel, 2004 series) #3 (2008). |
| Characters | Terry Vance; Dr. Watson [a monkey]; "Deadline" Dawson; Villains: un-named gamblers. |
| Synopsis | A group of gamblers injects mercury into the tiresd of race cars in order to cause accidents and fix races for profit. |
| Genre | detective |
| Script | Ray Gill (signed) |
| Pencils | Bob Oksner (signed) |
| Inks | Bob Oksner (signed) |
| Notes | Some info and synopsis added by Craig Delich 12-19-08. |
| Reprinted | In Marvel Masterworks: Golden Age Marvel Comics (Marvel, 2004 series) #3 (2008). |
| Characters | Dr. James; Nurse Cassidy; V: Francis. |
| Synopsis | The fact that five of the leading physicians in the area had died in fatal accidents the last two weeks didn't bother Dr. James....that is, until he suddenly is visited by a rather strange patient. |
| Genre | adventure |
| Script | Ray Gill [signed as W. Peters] |
| Pencils | Frank Thomas [signed as F. T.] |
| Inks | Frank Thomas [signed as F. T.] |
| Letters | typeset |
| Notes | Writer ID, much info and synopsis added by Craig Delich 12-19-08. |
| Reprinted | In Marvel Masterworks: Golden Age Marvel Comics (Marvel, 2004 series) #3 (2008). |
| Characters | The Angel [Tom Hallaway]; un-named woman [I, D]; Villains: The ghouls (D). |
| Synopsis | The Angel is captured by a group of in-human monsters, who take him to their abode, where he meets a beautiful girl dressed in ancient Green garb, and learns the creatures destroyed her civilization 4000 years ago, and now threaten to do the same in modern times. |
| Genre | superhero |
| Script | Ray Gill? |
| Pencils | Paul Gustavson (signed) |
| Inks | Paul Gustavson (signed) |
| Notes | Angel gains glider wings that once belonged to "Mercury". Writer credit revised from Paul Gustavson to Ray Gill?. The Who's Who lists Gill as the only writer in 1940. Some notes, info and synopsis added by Craig Delich 12-19-08. |
| Reprinted | In Marvel Masterworks: Golden Age Marvel Comics (Marvel, 2004 series) #3 (2008). |
| Characters | Electro; Professor Zog; Jim Brent; John Borden; Andrews; Villains: Baldwin Drake (I), Mike, Joe. |
| Synopsis | The President of the Drake Lumber Mills, angry because his rival has successfully purchased the rich Burton County forest lands, hires some thugs to set fire to those forests. |
| Genre | superhero |
| Pencils | Steve Dahlman (signed) |
| Inks | Steve Dahlman (signed) |
| Notes | Writer credit revised from Steve Dahlman to ?. The Who's Who lists no writer for this strip. Notes, much info and synopsis added by Craig Delich 12-19-08. |
| Reprinted | In Marvel Masterworks: Golden Age Marvel Comics (Marvel, 2004 series) #3 (2008). |