| Issue | #7 |
| Published | December 1941 |
| Frequency | bi-monthly |
| Cover Price | 0.10 USD |
| Pages | 68 |
| Editing | Joe Simon |
| Notes | MYSTIC COMICS is published bi-monthly by Timely Comics, Inc. at Meriden, Conn. Application for second class entry is pending at the post office at Meriden, Conn., under Act of March 3, 1879. Contents copyright 1941 by Timely Comics, Inc., 330 W. 42nd St., New York, N. Y. Single copies 10¢; yearly subscription 60¢ in the U. S. A. No similarity between any of the names, characters, persons and/or institutions appearing in this magazine with those of any living or dead person or institution is intended, and that any such similarity which may exist is purely coincidental. Printed in the U. S. A. December, 1941 issue. |
| Characters | Destroyer [Keen Marlow]; Adolf Hitler |
| Genre | superhero |
| Pencils | Jack Kirby |
| Inks | Syd Shores ? |
| Characters | Sub-Mariner [Namor] |
| Notes | Inside front cover. Issue referred to just as "Marvel Comics No. 26" in the large headline (no "Mystery"). |
| Characters | Destroyer [Keen Marlowe]; Florence von Banger; Adolf Hitler |
| Synopsis | After finding food for a starving German couple, Keen and Florence stumble across a scientist trying out his new death machine. Keen sabotages it, but that gets Florence and him sent to a concentration camp. He escapes, becomes the Destroyer, and shuts down the machine and its creator once and for all. |
| Genre | superhero |
| Script | Stan Lee (signed) |
| Pencils | Al Avison (signed) |
| Inks | Al Avison ? |
| Notes | The Destroyer's last name is Marlowe in this issue, but was Marlow when he was introduced in #6. |
| Characters | The Witness (introduction) |
| Synopsis | The evil Natas directs his League of Blood to commit murders for hire, but a mysterious man known as the Witness sees them and hunts them down, killing them in retaliation and tracing the orders back to Natas. |
| Genre | superhero |
| Script | Stan Lee |
| Pencils | Mike Suchorsky ? |
| Inks | Mike Suchorsky ? |
| Notes | Art credits from Dr. Michael J. Vassallo |
| Characters | Black Widow [Claire Voyant]; Satan |
| Synopsis | Satan sends the Black Widow to claim the souls of Lewis and Sykes, America weapons manufacturers who are selling their weapons to the Axis as well as the Allies. |
| Genre | superhero |
| Script | Stan Lee ? |
| Pencils | Stan Drake |
| Inks | Stan Drake |
| Characters | Destroyer [Keen Marlowe] |
| Synopsis | While the Destroyer hides out with a man he has rescued from Nazis, he tells the man of when he had to knowingly walk into a trap to prevent innocent German civilians from being executed. |
| Genre | superhero |
| Script | Stan Lee |
| Letters | typeset |
| Notes | Text story with illustrations. |
| Characters | Challenger [Bill Waring] |
| Synopsis | The Challenger faces a large ape-like man who has changed his career from boxing to crime in hand-to-hand combat. |
| Genre | superhero |
| Pencils | George Klein (signed) |
| Inks | Mike Sekowsky (signed) |
| Notes | Ger Apeldoorn notes at atlastales.com that Sekowsky usually penciled but the art does not look like his. Klein's signature comes first. |
| Characters | The Terror |
| Synopsis | The Terror hunts down a gang of looters who have decided to hit only small businesses that are less likely to have the sort of security and defenses that banks have. |
| Genre | superhero |
| Letters | typeset |
| Characters | Davey Drew (introduction; origin); Demon (introduction) |
| Synopsis | Young orphan Davey Drew inadvertently frees the Demon, embodiment of mankind's evil, from his prison in a cave. The Demon swears to destroy humanity, but in return for freeing him he swears not to harm Davey and gives him a cloak that will protect him. Horrified, Davey brings the military to stop the Demon, but succeeds only in driving him off temporarily. |
| Genre | occult |
| Characters | Black Marvel [Dan Lyons] |
| Synopsis | Dr. Weems drinks a concoction that he thinks might be a cure for pneumonia, but it instead transforms him into a Mr. Hyde-like monster who becomes known as The Grinner by the local criminals. The Black Marvel must stop him as he tries by intimidation and murder to gain control of prize oil-producing land. |
| Genre | superhero |
| Pencils | Al Gabriele (signed) |
| Inks | Al Gabriele (signed) |
| Characters | Blazing Skull [Mark Todd] |
| Synopsis | Mark Todd (in this story said to be a district attorney) hears of mysterious thefts at an art museum that happen without anyone breaking in to the building. He decides to tackle the case as the Blazing Skull, and realizes that the thief has been hiding out in the museum disguised as a statue during the day. |
| Genre | superhero |
| Notes | Inside back cover. |
| Notes | Back cover. |