Crack Comics #18

The Black Condor—who poses as Senator Tom Wright to protect a terrible secret—uncovers a sinister plot when dozens of scientists begin vanishing across the country. Infiltrating a hidden underground factory, he discovers the kidnapped researchers are being hypnotized and forced to build weapons of mass destruction for a foreign power. Now the flying sentinel must break the scientists free, dismantle the operation, and stop a submarine carrying a disintegrator ray before it can devastate America's coast.

In the shadow of Satan’s Island, the Red Torpedo and the Black Shark clash in a brutal duel forced upon them by a Mongolese admiral. Though the Torpedo emerges victorious, he chooses mercy—sparring the Shark’s life and taking him prisoner. But the Black Shark, far from grateful, turns on his captor the moment freed, seeking revenge with a deadly bomb.

Tor, the Magic Master—really press photographer Jim Slade in disguise—gazes into his crystal ball and spots a saboteur tampering with railroad tracks along the Delaware line, planning to derail an incoming troop train. Racing against time by plane and then by magic, Tor must stop the saboteur and prevent a catastrophic wreck that would claim countless soldiers' lives. As the chase unfolds on the cliffs above the tracks, Tor's magical powers become the only thing standing between the soldiers and disaster.

The Spider races against time to stop the Crow, the underworld's most ruthless and elusive killer, after discovering the villain's name written in blood at a crime scene. When the Spider tracks the Crow's car to an abandoned brewery, he uncovers a plot to crack the Industrial Bank and orchestrates a daring trap with his aide Chuck. The two must outmaneuver a dangerous criminal empire before the Crow slips away into the shadows.

Tex "Spitfire" Adams and his companion Chuck Benton take on a dangerous assignment flying American B-26 Martin bombers across the Atlantic to England in 1941, joining a flight formation that includes R.C.A.F. and American pilots headed out from Newfoundland. When an S.O.S. signal draws their attention mid-crossing, the crew discovers an enemy submarine using fake distress calls as a trap—and Tex's bomber becomes the target of Nazi long-range bombers providing cover for the U-boat below. With his radio destroyed and his plane shot up, Tex must use every ounce of skill and nerve to protect not only his own crew, but the British cruiser closing in on the German trap.

When Richard Stanton's explorer friend Tom Wade returns from Haiti with tales of a sinister sorceress, Madam Fatal must investigate the mysterious Black Witch—a woman wielding dark magic and commanding zombie servants for her own nefarious purposes. As the villain schemes to capture Tom's wife Marjorie for a twisted ritual, Stanton dons a clever disguise to infiltrate her lair and race against time to stop her before the ceremony begins. In this 1941 adventure from Crack Comics #18, Madam Fatal matches wits and fists against occult villainy to rescue those held in the Black Witch's supernatural thrall.

A father flips through an old family album, sharing embarrassing snapshots of his son Bradshaw from infancy, while the boy squirms at the inevitable cooing and reminiscing from onlookers. It's a lighthearted domestic comedy about the timeless awkwardness of having your childhood immortalized in photographs.

When the city's comptroller is found dead from poisoning and a masked extortionist calling himself "the Terror" demands a million dollars or more will die, Clock [Brian O'Brien] springs into action to stop the criminal before the deadline strikes. Working undercover through the city's underworld, the masked hero pieces together clues that point toward a desperate racketeer—but proving it will require confronting the Terror himself at a midnight payoff. Can Clock unmask the killer and save the mayor before the Terror's next move?