"I think Scarlet Witch would win — she's one of the most powerful people in the universe," she told The Hollywood Reporter. I Saw the Light writer-director Marc Abraham agreed: "I’m betting on Scarlet Witch."

Hiddleston then responded, first noting of Olsen's character, "The thing is, you're dealing with someone who's a witch, which is admittedly impressive biographically."

"But you put that up against a god, I'm just not sure that there's a fair contest," he said of Loki. "He's an immortal being, so my chips are firmly in Loki's corner."

I Saw the Light hits theaters Nov. 27. Watch THR's chat with Hiddleston, Olsen and Abraham above.