Here's a joke:
Superman's had a hard week of fighting crime in Metropolis and is ready for some fun. So Friday afternoon, he looks up his pals Batman and Spiderman to see if they're up for going on the prowl that evening. Both turn him down on account of prior commitments, and Superman is pretty ticked-off.
As he's flying around the stratosphere letting off steam, he spots Wonder Woman lying on her back stark-naked, sunbathing on the beach.
"Hey," he thinks, "I'm Superman and I don't need those two clowns to have a good time. I can just fly down there at the speed-of-light, catch a quickie, and fly away before she knows what happened."
So, Superman zips down, takes advantage of the situation and flies away at the speed-of-light.
Wonder Woman says, "What the hell was that?"
The Invisible Man says, "I don't know, but it hurt like hell."
