The boy had been bitten by, of all things, a radioactive spider.
Peter Parker is the guy who got bit by the radioactive spider, the toxic bug if you will, and became Spiderman.
Spiderman needed a bite from a radioactive spider to scale walls and buildings.
"And tell intelligence they forgot to mention the radioactive spiders."
This version had also been bitten by a radioactive spider, but instead of getting super-powers his hand became atrophic.
One day, he is bitten by a radioactive spider which then gives him his powers that turn him to Spider-Man.
Spider-Man reportedly gained superpowers as the result of a bite by a radioactive spider.
No, friend, I was the lucky sucker who got to be standing there when a radioactive spider decided it had to bite somebody.
It's what happens when a normal congress gets bitten by a radioactive spider.
"We couldn't have everybody bitten by radioactive spiders," he says.