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Superhero Swap!

Marvel franchise stars Tom Hiddleston and Charlie Cox dressed up as each other’s characters while celebrating Halloween backstage at their Broadway show, Betrayal.

Both actors are making their Broadway debut in the play and so they traded each other’s Marvel roles to greet fans outside of the Bernard B. Jacobs Theatre after a performance on Wednesday night (October 30) in New York City.

Charlie, 36, was dressed up as Tom‘s Loki, horns, cape and all. Meanwhile, Tom got into a Daredevil costume from Charlie‘s hit Netflix show.

Tom Hiddleston and Charlie‘s co-stars Zawe Ashton and Eddie Arnold also dressed up as Marvel characters to join in on the fun: Ashton as Captain Marvel and Arnold as Captain America.

Tom Hiddleston will be dressing up for Halloween this week and he’s going to wear his costume at the stage door for his Broadway play Betrayal!

The 38-year-old actor will dress up alongside co-stars Charlie Cox, Zawe Ashton, and Eddie Arnold on Wednesday night (October 30) outside the Jacobs Theatre in New York City.

“Wednesday night is around the corner. Keep an eye on @betrayalbwy for a big Halloween surprise. 🎃,” Tom wrote on his Instagram account along with a cute teaser video filmed backstage at the theater.

Tom says that his costume is currently a “classified” secret, but you can check it out in person at 8:45pm at the stage door on Wednesday. Fans who dress up might win a prize!

Tom Hiddleston and Charlie Cox are all smiles while attending the Betrayal opening night party on Thursday (September 5) at The Pool at the Seagram Building in New York City.

The guys were joined at the event by their co-stars Zawe Ashton, who is giving a breakout performance, and Eddie Arnold.

Tom and Charlie are both Marvel stars who play Loki and Daredevil, respectively. They are both making their Broadway debuts in the show, which previously had a sold-out run on London’s West End. The play is running now through December 8, so get your tickets before you lose your chance!

Some of the opening night guests, who are pictured inside, included Lena Dunham and Anna Wintour with daughter Bee Shaffer.

READ MORE: Tom Hiddleston Teases New Details About ‘Loki’ TV Series

FYI: Zawe is wearing an Erdem dress.

Tom Hiddleston and his co-stars, Charlie Cox, Zawe Ashton, and Eddie Arnold, greet and sign autographs for fans after the first public preview of Harold Pinter‘s classic play Betrayal on Broadway on Wednesday (August 14) in New York City.

Betrayal will officially open on September 5 and is only open for a limited time! If you want to check out the show, you’ll have to see it before closing on December 8.

If you missed it, besides for Betrayal, Tom has a very interesting new project – the Marvel show featuring his character Loki! Tom recently spoke about how he landed the fan favorite villain role.