Neil Gaiman stops by the WSJ Cafe to discuss his new book "Norse Mythology" and how his take on Thor, Odin and Loki is different from Marvel's comic book version. Photo: Getty Images ...

Both elements, the prophesied world-shaking event and Thor’s fabled hammer, come from Norse mythology ... has already shown the ability to unleash lightning from his Ragnir.

A Greek myth is that Zeus, a God, threw down lightning bolts on to earth when he was in a rage. While Norse myth reckons that Thor, another God, would cause lightning with his massive hammer.

Although Asgardians all boast a measure of superhuman physiology, Thor is the strongest among all of them, boasting the secondary title of the Norse God of ... thunder and lightning as well ...