U. S. A. Comics [USA Comics; U.S.A. Comics] #7

In "The Case of the Flying Submarine!", Captain America and Bucky Barnes race to stop the Eraser—a sinister circus performer with a rubbery form and a dangerous agenda—before he steals the prototype of a revolutionary flying submarine. With the help of Sgt. Michael Duffy and Lt. Roland, the duo must unravel a web of espionage that leads from the circus to the skies, as the inventor’s daughter, Jane Manners, and her allies stand on the edge of a secret too dangerous to fall into the wrong hands.

In a 1943 tale of science and myth, young Martin Burns stumbles upon a fateful accident at a museum while on a school trip with Miss Prim and his classmates. When a deep cut mixes his blood with a mysterious extract from the legendary Hercules, Martin awakens with powers beyond imagination—just as the Nazis, led by the villain von Blubber, begin their campaign of chaos.

In this 1943 tale from U. S. A. Comics #7, the sharp-eyed detective Disk-Eyes the Detective is on the case as the slippery T. Adenoid Cashkisser and the cunning Spider McStrangle plot a series of robberies to fund a dangerous scheme involving bombs and destroyed machinery. With clever deductions and a no-nonsense attitude, Disk-Eyes races to stop the gang before their next move goes off the rails.

In "The Case of the Up-To-the-Minute Men!", Roddy Colt, aka The Secret Stamp, races against the clock to stop a daring armored car heist that threatens to steal over a million dollars in war bonds. With Freddy Franklin at his side and a shadowy un-named boss pulling strings, Roddy must outmaneuver the cunning Griffin in a high-stakes chase that could tip the balance of wartime efforts.