Poisoned medicine had flooded New York — and overnight all hospitals had been turned into a hell of betrayed human sufferers! For a strange and incredible horror had gripped the metropolis. Men gazed, terrified, upon a greenish Skull, glowing evilly in the darkness, then died! And no physician nor science could save them from unbelievable agony and death! Where once happy healthy citizens had dwelt was now a city of defleshed corpses. No help could come from the baffled police; and mercy in Manhattan was a forgotten word. Yet one man did not fear to challenge the Terror. Richard Wentworth, as the Spider, set out to find a way to battle the Skull — and save an entire city from an Epidemic of Poison Death! King of the Fleshless Legion is torn from the pages of the May, 1939 issue of The Spider magazine.