20 Mind-Blowing Facts You Didn't Know About Spider-Man

20. He Has Radioactive Sperm, Apparently

Spider-Man: Reign showed a possible future for Peter Parker in a world similar to that of Batman's in The Dark Knight Returns. When the aged Spidey once again decided to suit up in a bid to save the the citizens of a corrupted New York City, it's revealed that he buried his costume with his wife Mary Jane Watson after her death. How did she die? Well, it turns out that it's not only Spider-Man's blood which is radioactive, and years of contact with Peter's bodily fluids resulted in her eventual death. Sex with Spider-Man can kill you apparently! Here's hoping Peter gave Black Cat a quick heads up after Mary Jane's demise anyway...