"He should learn better material. As I understand it, jokes are only funny if others understand them," she said, then followed Kal's example and started lifting cars out of their way where she could. Her enhancements meant she was much stronger than she looked. "It sounds like he won't be much of a challenge when we get to him, then. Between the two of us, I am confident we can take care of this quickly."
They continued to make their way through the maze, moving cars where they had to and going over or around as needed. Eventually they came to another bus, with another riddle painted in large block letters across an advertisement. The paint had dripped while drying, but appeared to have been there for awhile.
What has four wheels and flies?
"Really not funny," Nebula said, already alert for whatever the punchline would be.
Suddenly, ahead of them, lights flashed on, bright enough to blind. There was a revving sound, and then the lights started to move towards them and she could just make out a garbage truck, filled with refuse, barreling towards them.