'I don't know it's like playing an iconic Shakesperian character or something, it's just a privilege to be asked… to do it. And with a character like Loki, he's got such a level of complexity, so many things to explore. Especially when he is as well written as he was in this film, by Joss. I mean, when I read it, I couldn't believe my luck. You know, it was sort of…'