When we meet Hiddleston has recently finished filming Avengers: Doomsday, picking up from the “glorious purpose” that Loki found at the end of season two. “My contribution has been contributed,” he says of the forthcoming film. And then, slightly less evasively: " It is monumental. The centre of the story is absolutely brilliant, and was so surprising when I read it. It just has never been done before."