The Marvel superhero Thor has a hammer called Mjölnir that cannot be picked up by anyone besides Thor, or someone worthy of Thor’s status. That does not include Spider-Man, who is a mortal with spider powers. So what grief could Thor cause a fellow superhero with Mjölnir?
He could make life miserable. You don’t want to get on any superhero’s bad side, but even in good-natured pranking, an enchanted hammer is truly a secret weapon. -via Tastefully Offensive