By Katie Donbavand
Jan 22, 2015 @ 12:44 pm
Kevin Winter/Getty Images

Guardians of the Galaxy star and Seattle Seahawks fan Chris Pratt has agreed to a bet with New England Patriots supporter Chris Evans, aka Captain America, for the upcoming Super Bowl.

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The bet, which will benefit children's charities, came about over Twitter and involves the loser showing up in costume with the winning team's uniform.

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Pratt is supporting the Seattle Children's Hospital while Evans is helping Christopher's Haven, an organization that provides support to families of children receiving cancer treatment.

You know the NFL is a big deal when Star-Lord and Captain America are getting involved.

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