Hiddleston, whom you may know as Loki from the Marvel cinematic blockbusters 'The Avengers' and 'Thor', will be joining the girl group member as part of a variety outing.

"Tom Hiddleston will be filming a variety program on the 15th around the 'Seoul trip' theme," said an entertainment worker. "Tiffany will be introducing Hiddleston to the Seoul landmarks, and the filming is expected to last about three hours."

An air date hasn't been set yet, the worker noted. In addition to this filming, Hiddleston may have other Korean television appearances planned, he said. "He is also thinking about going on another variety show. It hasn't been confirmed yet, but he will be appearing as a cameo."

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