Midgard Serpent (Marvel Comics)
Jormungand, also known as The Midgard Serpent or World Serpent, is a fictional character that appears in comic books published by Marvel Comics. The character, based on the serpent Jörmungandr from Norse mythology, first appears in "Marvel Tales" #105 (Feb. 1952), in the period between the Golden Age of Comic Books and the Silver Age of Comic Books.
Valland
Kjárr and his daughter Ölrún also appear in the "Völundarkviða", where she is a Valkyrie who marries the hero Egil:
It is mentioned in Illuga saga Gríðarfóstra that Hringr, the king of Denmark and son of Sköld dagsson, was married to Sigrid, who was the daughter of Vilhálm - or William - king of Valland.