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.
Mythology of Lost "one of the biggest secrets" of the mythology. The producers have often hinted that the black cloud of smoke is not a monster in the traditional sense, nor is it a cloud of nanobots (as some fans have speculated). The smoke monster is established as an antagonist in "Lost" from the very first episode, "Pilot". The producers' initial plan was for the monster to represent the id, in a manner similar to the "id monster" from the 1956 film "Forbidden Planet". This idea was changed by the end of season one, when the character Danielle Rousseau describes the monster as