Thor's hammer, Mjölnir, is legendary, but many Marvel fans don't know the full story behind its creation, which explains why it is among the most powerful weapons in the Marvel Universe.

Mjolnir is one mighty hammer. But according to a 1991 Marvel trading card, Thor’s hammer weighs 42.3 pounds. It’s made of Uru metal. (That’s Asgardian. Duh.) ...

WH: When we watch the Thor movies, yes, there’s a lot of mysterious stuff going on, but the flight-by-hammer-twirl, that’s kind of based on the rules of physics we see in our everyday life.

ThinkGeek is selling a perfect replica of Thor's Mjolnir, but instead of being a prop, it also stores a 44-piece toolset inside. Thor's Mjolnir toolbox includes a basic hammer (duh), pliers, tape ...