Published Aug 1966 by Marvel
Cover art by John Romita. How Green Was My Goblin!, script by Stan Lee, pencils by John Romita (who begins as regular penciler), inks by Mike Esposito [as Mickey Demeo] and John Romita (touch-ups); Peter heads to the doctor with the sniffles and learns that Aunt May's health is very fragile; Spidey is roped into tangling with a bunch of goons who zap him with a mysterious gas; Not realizing that the gas has weakened his spider sense, he changes into Peter Parker under the watchful gaze of the Green Goblin; The Goblin confronts Spidey outside of his home and captures him as Peter is worried that Aunt May might be overcome by the commotion; Trussed up in the Goblin's lair, Peter is shocked when the Goblin takes off his mask and reveals himself to be Norman Osborn. Reprinted in Marvel Tales # 178.