Amazing Spider-Man #54 (1967) Marvel Comics
Believing that Spider-Man is dead, Dr. Octopus decides to lay low for a while. Coincidentally enough, he ends up taking up residence at May Parker's home in the room she put up for rent. Setting up shop there, Octopus gets in touch with his men and gets them to organize once more. While at Peter's apartment he shares with Harry Osborn, tensions between Peter and Harry increase. After a quick trip to sell pictures of Dr. Octopus to Jameson, Peter visits Mary Jane and Gwen Stacy where both compete for a date with Parker, when Peter remembers he should check on his Aunt May to make sure everything is okay with the new boarder. When he arrives at his old home, he is shocked to find the boarder in question is his long time foe.