Because the Mummy's always saying, "I'll be in the crypt tonight."
A knight in Charmin armor.
Me: To meet with your teacher. 7: Oh, you don't need to. I already saw her today.
Food's on me tonight.
OC) He already has supervision.
Peter Parker can shoot webs. Clark Kent.
Because he doesn't want to be around the crypt tonight. (you can tell i made that up)