Karloff: “He’s always afraid of pulling up his zipper.”
May: “Ya, well, he doesn’t want to hurt his willy, I can understand that.”
Spidey-Boy: “If I zip up my wiwwy, I’ll get a robot wiwwy.”
Some other time:
Spidey-boy: “I’m trying to decide which one of you will bring my lunch upstairs. Whichever you does it the fastest is the strongest.”
Karloff: “Uh, are you trying to fool us into bringing up your dishes?”
Spidey-boy: “Yes.”
Karloff: "..."
Spidery-boy: “You’ll win a prize pack!”