National Comics #41

In "Three Black Cats," the Vardoni Brothers—masked in sleek black suits with cat ears and mustaches—seek vengeance on circus owner Martin Brun for their brother’s death, unleashing a brutal assault with clawed gloves. Though Quicksilver arrives too late to save Brun, he manages to halt the brothers’ deadly rampage against Brun’s partners.

Reporter Chic Carter gets an unexpected visitor when a desperate young woman tracks him down—Delia Ross, sister of the fugitive wanted for murdering a man named Edwards. She's convinced her brother is innocent and framed, and Carter agrees to hear Vern Ross's side of the story, but what begins as a chance for a scoop quickly spirals into a deadly trap when the real killer emerges from the shadows. With danger closing in and the truth finally within reach, Carter must use his wits to expose the actual murderer and clear an innocent man's name.

In "null," the Unknown races against time to stop a Nazi train transporting prisoners to a concentration camp, using his wits and courage to free those aboard. With the train halted and its cargo liberated, he deliberately crashes the empty locomotive into the station, disrupting the enemy's plans.

A munitions factory worker named Gerry O'Neil becomes the target of enemy agents who kidnap her beloved Marine and demand she steal a classified radio gun-sighter—but when she reports the blackmail to Army Intelligence Captain Don Leash, he reveals himself as the spy-fighter G-2 and hatches a dangerous plan to turn the tables. With a booby-trapped device and a race against time, G-2 must infiltrate the enemy's underground hideout, rescue the captured Marine, and stop a Japanese spy ring before they escape with America's technological secrets.