John Barrowmanwasnt the only DC star having some fun at Comic-Con this weekend.

Superman himself, Henry Cavill, wore aV for Vendettamask on the convention floor to prankSuicide Squads Will Smith.

Gonna head onto the floor and see if I can get away with it.

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Credit: Getty Images

Wish me luck, he says in a video posted to Instagram.

The footage shows a disguised Cavill roaming the Con and snapping photos with attendees.

He eventually makes his way to the cast ofSuicide Squad,who were signing autographs.

Pretending to be a fan, he poses for a photo with Smith before making the big reveal.

Best Comic-Con yet, Cavill wrote in the videos caption.

Watch Smiths reaction to the surprise below.

Cavill was at the convention to promoteJustice League.Warner Bros. revealedthe first trailer and imageduring a Hall H panel.