Amazing Spider-Man (1963 1st Series) #56 VF
Published Jan 1968 by Marvel.
Doctor Octopus appearance and the first appearance of Capt. Stacy in "Disaster" script by Stan Lee, pencils by John Romita Sr., inks by Mike Esposito as "Mickey Demeo." Spidey has amnesia, and Doc Ock convinces him that they are partners! Will he fall for it? Or just go along until his memory comes back? Romita cover. Reprinted in Marvel Tales # 41. Cover price $0.12.