Crack Comics #8

When men attempt to salvage Professor Crane's sunken yacht, "The Rex," off a desolate island, a mysterious masked figure scares them away—but Richard Stanton, better known as Madam Fatal, arrives to investigate the theft of a valuable formula. As Stanton dons a disguise to probe the island's secrets, suspicion falls on the reclusive Dr. Prowl, leading to a tangled web of hidden identities and double-crosses that puts our hero in deadly peril.

In "Allied with the Black Shark," Jo faces a desperate choice when Lockhart traps the Black Shark’s submarine to force cooperation against a Nazi threat. With oil screens and stealth, the Shark must outmaneuver enemy subs threatening British forces—then vanish before the danger fully passes.

When gangster Snoop Cadrone acquires a brutish creature from Mongolia with hide tough as elephant skin and a mind to match, he names it Stuporman and sets it loose to eliminate rival underworld bosses—starting with Scallio. The Clock and his partner Pat "Pug" Brady catch wind of the murders and track the monster back to Cadrone's hideout, leading to a desperate rooftop chase where brains must outsmart brute strength.