The Amazing Spider-Man #37

In "Once Upon a Time, There Was a Robot...!", Spider-Man finds himself tracking the newly freed Professor Mendel Stromm, whose return from prison sets off a chain of uneasy questions. With Stromm’s past ties to Norman Osborn now coming to light, the web-slinger must unravel a mystery that links a vengeful scientist to a mysterious robotic force—before it’s too late. Written by Stan Lee and Steve Ditko, with art and inks by Ditko and colors by Stan Goldberg, this 1966 issue features a cover by Ditko that captures the eerie tension of a world on the brink.