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Keen Detective Funnies #7 cover
Cover: Ben Thompson

Keen Detective Funnies #7

Jul 1939 · Centaur · 0.10 USD
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About this Issue

Keen Detective Funnies vol. 2 #7 (July 1939) marks the debut of the Masked Marvel, one of Centaur Publications' most significant costumed heroes — a technology-reliant crimefighter who arrived on newsstands two full months before Batman's own debut, putting him among the earliest masked superhero archetypes in American comics. The issue represents a turning point for the title itself: after seasons of recycling reprints from earlier Centaur anthology books, the editorial team under Lloyd Jacquet committed to building an original character who would anchor Keen Detective Funnies through its final issue and earn his own spin-off title. The Masked Marvel's distinctive setup — a glass-domed mountaintop headquarters, energy weapons, a craft doubling as a submarine, and three color-coded ex-FBI assistants — sketched out the 'high-tech mystery man' template that would echo through Golden Age publishing and beyond.

The issue features "The Masked Marvel," a detective story in which a masked vigilante investigates a murder, working to uncover the true killer while dealing with criminal elements including someone named Bugs and references to polar bears. Additionally, it contains "TNT Todd," a military adventure story wherein TNT Todd and other soldiers are tasked with uncovering the leaders of a criminal ring, leading to action involving a transfer to the 13th Lancers at Chitral and retrieval of hockey sticks used by cavalry forces.

Contains 10 stories
Untitled Superhero story
13 pp · Superhero
Masked Marvel (introduction)

In "null," Jo stumbles upon a mysterious series of stolen identities, each erased as if they never existed. As the trail leads through forgotten files and vanished witnesses, Jo must piece together a pattern hidden in plain sight—before the next name disappears without a trace.

Untitled story
6 pp
Untitled Detective-Mystery story
5 pp · Detective-Mystery
The Keefer Snatch
7 pp

When a millionaire's son is snatched by gangsters right on his family estate, a beat cop named Roy Graham finds himself chasing the kidnapping directly into a squalid tenement hideout. Determined and resourceful, Graham works his way inside to confront the thugs—but the real fight comes when the captive himself gets a chance to strike back. This complete crime story, crafted by E. McD. Moore, Jr., delivers guns, grit, and the kind of street-level action that made 1939 detective comics so gripping.

Untitled story
5 pp
Two Way Ride
5 pp

Jack Moran, the heavyweight boxing champion, is ambushed by kidnappers after his title defense fight and forced into a car at gunpoint. When the criminals attempt to shake off a pursuing police officer, the champ seizes his moment to turn the tables and reclaim control of the situation. It's a lean, hard-hitting tale of a fighter who proves his quick thinking matches his knockout power.

Untitled Detective-Mystery story
6 pp · Detective-Mystery
Untitled Spy story
6 pp · Spy
The Hidden Valley of Montezuma
8 pp
Untitled Humor story
1 pp · Humor
The Judge

ComicBooks.com Value

Our Model is In Beta
Raw (Good) $551
CGC 9.8 $34,671*
CGC 9.6 $21,761*
CGC 9.4 $13,965*
CGC 9.2 $8,952*
CGC 9.0 $6,244*
CGC 8.5 $4,393*
Show all 22 grades
CGC 8.0 $3,450*
CGC 7.5 $2,712*
CGC 7.0 $2,263*
CGC 6.5 $1,906*
CGC 6.0 $1,826
CGC 5.5 $1,368*
CGC 5.0 $1,285*
CGC 4.5 $1,090
CGC 4.0 $959*
CGC 3.5 $863*
CGC 3.0 $746*
CGC 2.5 $614*
CGC 2.0 $529*
CGC 1.5 $410*
CGC 1.0 $337*
CGC 0.5 $266*
* estimate — limited direct-sales data at this grade
Our model’s value — refined as new sales data arrives · CGC census counts shown where available

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History

Keen Detective Funnies launched in July 1938 as Centaur Publications' first original title, built on a foundation of reprinted material from the Comics Magazine Company's Detective Picture Stories and Funny Picture Stories; a dispute with Quality Comics over rights to George Brenner's The Clock accelerated Centaur's push toward fresh characters. Under the editorial packaging of Lloyd Jacquet's Funnies, Inc. studio, the series shifted from reprint anthology to character showcase by mid-1939, with vol. 2 #7 delivering its first original headliner. The creative team behind the Masked Marvel's debut is confirmed to include writer Ben Thompson, though full credits for the issue's ensemble of stories — drawn from artists including Terry Gilkison, Harry Francis Campbell, Victor E. Pazmiño, and others — reflect the anonymous, assembly-line production practices typical of Golden Age Centaur books.

Trivia · 8 facts

  • First appearance of the Masked Marvel, a costumed, technology-powered crimefighter, published by Centaur Publications in July 1939 — two months before Batman debuted in Detective Comics #27.
  • The issue is catalogued by the Grand Comics Database as Keen Detective Funnies vol. 2 #7; it is the 11th issue of the series overall, as the title's original numbering began at vol. 1 #8 in July 1938.
  • The Masked Marvel operated from a glass-domed mountaintop headquarters, flew a craft that could function as a submarine, and was assisted by three former FBI agents coded ZL, ZR, and ZY — one of whom died in action during the character's run.
  • Writer Ben Thompson is credited as the creator/writer of the Masked Marvel's debut story; the broader issue features art by Terry Gilkison, Harry Francis Campbell, Victor E. Pazmiño, Lochlan Field, John A. Patterson, Walt Hankman, Victor J. Dowling, and Joseph E. Buresch.
  • The cover of this issue depicts a Canadian Mountie, and the book includes a Canadian Mountie adventure among its anthology stories — typical of the mixed genre content the series carried alongside costumed-hero fare.
  • The Masked Marvel continued as the flagship feature of Keen Detective Funnies through its final issue (#24, September 1940) and later received his own three-issue solo title from Centaur.
  • When Centaur ceased publishing in 1942, the character entered the public domain; in 1992 Malibu Comics revived him for their superhero team book The Protectors, renaming him Nightmask to avoid a potential trademark conflict with Marvel Comics.
  • A production error noted by the Grand Comics Database: the 5th and 6th pages of one story sequence within this issue are printed out of order.

Full credits

writer, artist, inker Bob Wood
cover pencils, inks Ben Thompson

Reprints

↩ Reprints Detective Picture Stories #3 (1937), Funny Pages #1 (1937), Funny Picture Stories #4 (1937)

Reprinted in L'Aventureux #6/1940 (1940), Fantoman #2 (1940), Masked Marvel #1 (1940), Collection Fantôme #[119] (1946), Continuum #2 (2007), Pif-Paf: El Campeón de la Historieta #9

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