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.
Norse mythology mythology, comparisons to other attested branches of Germanic mythology (such as the Old High German Merseburg Incantations) may also lend insight. Wider comparisons to the mythology of other Indo-European peoples by scholars has resulted in the potential reconstruction of far earlier myths. Of the mythical tales and poems that are presumed to have existed during the Middle Ages, Viking Age, Migration Period, and prior, only a tiny amount of poems and tales survive. Later sources reaching into the modern period, such as a medieval charm recorded as used by the Norwegian woman Ragnhild Tregagås—convicted of witchcraft in Norway in the