Silver Streak Comics #15 (1941)

In the midst of wartime tension, Captain Battle and his ally Hale race to stop a mysterious villain known as the Mummy Master, who is using reanimated mummies to eliminate key American defense leaders. As mummies vanish from the city museum and wealthy men are kidnapped one by one, the duo follows a trail of cryptic clues, only to find themselves trapped in a deadly game of cat and mouse.

When millionaire J. Bradford Brazier suddenly begins lavishly spending his fortune and acting erratically, his daughter Frenda turns to detective Presto Martin for help—only to find her father has vanished, leaving behind a cryptic note and a trail of chaos. As Presto investigates, he uncovers a dangerous web of deception, leading him on a chase through a penthouse apartment where a desperate man with a gun confronts him in a final, deadly showdown.

In the Arctic Circle, inventor Cloud Curtis and his friends Crusher and Pop race to rescue the stranded Newboldt Exploring Party from a mysterious Japanese invasion force in Alaska. With the Golden Bullet plane their only hope, they pursue a fleeing enemy aircraft, uncover a hidden enemy base disguised as snow-covered hills, and use a clever combination of grit and Pop’s surprisingly useful pipe to escape captivity—only to trigger a massive avalanche that destroys the base.

On a remote island, the Pirate Prince visits the grave of his fallen friend Slim, only to be confronted by the sinister Hook Hooker, who claims responsibility for the murder. With the Duke of Pyewk and his fiancée Lady Marie kidnapped and trapped on Hook’s ship, the Prince must outwit the villain and survive a deadly cannon run amok—before a new kind of reckoning begins.

In a remote mountain cabin, the reclusive Karl unleashes a monstrous creature he's trained to kill his hated cousin, Rushman. When the murder is discovered, the heroes Silver Streak and Meteor track the beast to Karl’s home, only to face the terrifying creature in a frantic showdown.

When Dusty Travis sets off for the Matto Grasso Jungle in Brazil to investigate clues about Atlantis, his friends Billy, Bobby, and Specs secretly stow away aboard his plane. After a storm strands them in a hidden jungle city ruled by the mysterious Nameless Ones, the boys find themselves captured and facing a strange, ancient ruler who guards the secrets of the lost continent.

In the shadowy depths of the underworld, the enigmatic criminal mastermind known as the Serpent orchestrates a nationwide kidnapping spree, targeting wealthy children across the United States in a bold bid to challenge the legendary Daredevil. When Daredevil returns unexpectedly, the Serpent sets a trap using a decoy, only to be outwitted by his own cunning as a double exposes her scheme.