AMAZING SPIDER-MAN (1963) #337

Doctor Octopus plan has been revealed. He, along with the Sinister Six are going to poison and kill the entire earth. Each of the members has been ordered by Doctor Octopus to acquire the items they need for their master plan. When our hero Spidey confronts each of them, he doesn’t know about the plan and doesn’t even know that the Sinister Six team is back! Can he manage to stop them?