Before he was cast as Loki, that villainously charming trickster god from the MCU, Tom Hiddleston actually auditioned as Thor, that blond-haired, blue-eyed, musclebound, hammer-wielding god from the MCU. Surprised? So was Hiddleston, who shared some interesting details about the audition and casting process on an episode of The Tonight Show Starring Jimmy Fallon. And Jimmy Fallon surprised Hiddleston in return by airing the audition footage on TV, making Hiddleston watch it for the very first time. "I auditioned for the first Thor film ten years ago in 2009," began Hiddleston, waxing nostalgic about his journey through …