From Spy Smasher Comics #04 - Four adventures:
The Crime of Pearl Harbor - The reason why Spy Smasher was not able to stop the attack on Pearl Harbor.
The Old Soldiers' Ghosts - Was the old man really seeing the ghosts of Civil War soldiers or was Spy Smasher right that it was a sham.
The Man in the Iron Mask - The ace spy of the Nazis is sent to America to bring back the head of Spy Smasher.
The Stolen Battleship - Pretending to be returning sailors, the enemy infiltrators plan to help themselves to a battleship.