Men of Mystery Comics #48

In "null," Dr. Sigi's seemingly noble offer to host a blood drive for the war effort masks a sinister plan—patients who donate blood are quietly inoculated with a hydrophobia serum, turning their sacrifice into a slow, terrifying descent.

In "The Secret Essence of Life, Part 1," a war-weary Baron von Emmelman uncovers a long-lost truth: the Secret Essence of Life lies hidden beneath the paws of the Sphinx. Before he can act, his plane is shot down, scattering his final clue across time. Years later, the Heap—once lost to the swamp—returns to the very place of his demise, finding not only the wreckage of the Baron’s plane but also the cryptic papers that reignite his quest. With a rescued fisherman’s help and a borrowed boat, the Heap sets out across the sea, drawn toward a mystery buried in ancient sands.

In "The Revenge of Red Ann," news reporter Tim Reagan teams up with the Terror Twins after they receive word of a bank heist tied to the elusive Voice and his gang. At the scene, they encounter the enigmatic Red Ann, a figure driven by a personal vendetta to hunt down the Voice and bring him to justice.