“First, I had to come up with an origin. How does this group get their superpowers? Well, the Fantastic Four had been clobbered by cosmic rays. The Hulk was hit with gamma rays. Incidentally, I had no idea what cosmic rays or gamma rays were, but they sounded good. And they were the only rays I knew.…”— Stan Lee, playboy.com
“What did Doctor Doom really want? He wanted to rule the world. Now, think about this. You could walk across the street against a traffic light and get a summons for jaywalking, but you could walk up to a police officer and say 'I want to rule the world,' and there's nothing he can do about it, that…”— Stan Lee, en.wikipedia.org