I think they should totally do a Loki one. The actor is insane in that role. I only saw him before with Kenneth Branagh in Wallander and I liked him there too.
I've never been into Thor. I've seen both films now and after seeing The Dark World I've suddenly discovered Tom Hiddelston. Amazing actor, and a looker :P
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“You take a mortal man, put him in control. Watch him become a god, see heads roll."