Re: Iron Man 3 confirmed
Fing Fang Foom was never mystical, as I recall. There's nothing magic about him. He's an alien who happens to resemble a chinese dragon(maybe the source of legends about dragons in china, for all I know). And the components of his downed ship's hyperdrive is what the Mandarin uses to make his rings.
You know, it occurs to me that Captain America is basically the superhero equivalent of Mary Poppins. Practically perfect in every way and all that stuff.