Fafnir (Marvel Comics) first encountered in the guise of an old man by the warrior Volstagg, who with his companions is currently exploring the ruined realm of Nastrond, an extradimensional realm on the continent of Asgard. Fafnir explains he was the King of Nastrond, and that the King of the Norse Gods Odin destroyed Nastrond due to the evil nature of its people. Fafnir himself was left to die in a ruined wasteland, but survives by drinking from a pool of water with magical properties. The water, however, transforms Fafnir into a massive dragon. Knowing that Volstagg and his allies were sent by
Investigations into Germanic Mythology there is no explicit revelation in the poem Hárbardsljóð concerning the identity of the title figure, Harbard, who is concealed under this name remained disputed until the end of the 19th century. In the third volume of the same work, Rydberg's theory regarding the World Mill is discussed in relationship to the eddic poem Grottosöngr. He has also been mentioned as one of several writers who proposed analogs for Askr and Embla from comparative mythology, and who sought Indo-Iranian analogs for the Eddic Poem, Völuspá. In 2004, Swedish Doktorand (PhD student) Anna Lindén reviewed the full two-volume work on mythology,