Fafnir (Marvel Comics) entities is stopped when Thor agrees to go to Hel's realm willingly. Fafnir later reappears in the 2011 limited series "Avengers Prime" in the aftermath of the "Siege" storyline as, at first, an adversary then ally of Thor, Tony Stark and Steve Rogers with several legions of ogres and elves in battle against a Twilight Sword wielding Hela and her army. Fafnir was originally a normal man until transformed by the properties of a magical pool into a large dragon. Fafnir retains his intellect and speech, possesses superhuman strength and durability, and the ability to breathe fire and cast illusions.
Fafnir (Marvel Comics) the elderly chief and last survivor of a lost Viking colony armed with a spear blessed by Odin himself, arrive to battle. They are almost defeated, but Elif gives up his life to drive the spear into Fafnir, and Thor hammers it in all the way, slaying Fafnir. Thor gives Elif a noble Viking funeral by burning Fafnir's body atop his corpse. Fafnir was released from Hel alongside the Midgard Serpent, Fafnir of Jotunheim (a frost giant), Nidhogg, Farsung the Enchanter, an Ice Giant and two Ice Dwarves by Kurse to battle Thor and Lady Sif. The threat of these