| Issue: #12 Published: October 1942, Price: 0.10 USD, Pages: 68, Editing: Will Eisner
						Color: Color  Dimensions: Standard Golden Age US  Paper Stock: Glossy Cover; Newsprint Interior  Binding: Saddle-stitched  Publishing Format: Was Ongoing Series
						Notes: The on-sale date is from the publication date recorded in the Catalog of Copyright Entries, Part 2, Periodicals, 1942, New Series, Vol. 37, No. 4.
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				| Comic Story (11 pages) | The Curse of Xanukhara |  
				| Synopsis: | The Blackhawks are in pursuit of a leather briefcase containing a priceless, pre-determined plan of human existence which will be disrupted upon its disclosure, and which affects the outcome of World War II. In fact, two billion years of evolution are but a chapter in the gigantic plan. |  
				| Credits: | Script: Dick French |  
				| Genre: | Adventure War |  
				| Characters: | Blackhawks [Blackhawk Andre Chuck Hendrickson Olaf Stanislaus] Major Brandon Unnamed Colonel The "Briefcase Bearer" (introduction, Unknown Bearded Narrator, Next In #29) Xanukhara (villain, Introduction, Next In #29) Zara (villain, Sentry For Xanukhara) Hammil Zorrex (introduction, Original Briefcase Bearer, Death) Korz (villain, Death) |  
 
				
				| Comic Story (6 pages) | The Trial of Count Grubber |  
				| Featuring: | Sniper |  
				| Credits: | Script: Ted Udall |  
				| Genre: | War Adventure |  
 
				
				| Comic Story (4 pages) | Fruitcakes in France |  
				| Featuring: | Shot and Shell |  
				| Credits: | Script: Klaus Nordling | Pencils: Klaus Nordling | Inks: Klaus Nordling |  
				| Genre: | Aviation |  
 
				
				| Comic Story (6 pages) | The Mess in Tokyo |  
				| Featuring: | Loops and Banks |  
				| Credits: | Script: Bob Powell | Pencils: Bob Powell [as Bud Ernes] | Inks: Bob Powell |  
				| Genre: | Aviation |  
 
				
				| Comic Story (5 pages) | The Gestapo's Costume Ball |  
				| Featuring: | X of the Underground |  
				| Synopsis: | In Yugoslavia, X and her female underground agents infiltrate a costume ball to foil a Nazi plan. |  
				| Credits: | Pencils: Bob Hebberd | Inks: Bob Hebberd |  
				| Genre: | Spy |  
				| Characters: | X, Sonya, Bob (Jimmy) Gray, General Rottenbum, Gerta. |  
 
				
				| Comic Story (8 pages) | The Mikado's Fishing Trip |  
				| Featuring: | Phantom Clipper |  
				| Credits: | Pencils: Fred Kida | Inks: Fred Kida |  
				| Genre: | War |  
				| Characters: | Hirohito (villain) |  
 
				
				| Comic Story (2 pages) | Torpedo Tussle |  
				| Featuring: | Inferior Man |  
				| Synopsis: | Inferior Man joins the Navy. |  
				| Credits: | Script: Al Jaffee | Pencils: Al Jaffee | Inks: Al Jaffee |  
				| Characters: | Inferior Man |  
 
 
				
				| Text Story (2 pages) | Death to the Killer! |  
				| Credits: | Letters: typeset |  
				| Genre: | Adventure |  
 
 
				
				| Comic Story (8 pages) | Saga of the U.S.S. Marblehead |  
				| Featuring: | Secret War News |  
				| Credits: | Script: Al McWilliams | Pencils: Al McWilliams | Inks: Al McWilliams |  
				| Genre: | Non-fiction War |  
 
				
				| Comic Story (1 page) | Navy Blimp K-5 |  
				| Featuring: | Atlantic Patrol |  
				| Credits: | Script: Al McWilliams | Pencils: Al McWilliams | Inks: Al McWilliams |  
				| Genre: | War |  
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