This Guardian of the Galaxy has a new mission.

After losing a wager to Captain America actor Chris Evans, Chris Pratt will be making an appearance as Star-Lord at Christopher's Haven, a temporary housing facility for families of children being treated for cancer in Boston.

Pratt, a Seahawks fan and Washington native, made a bet with fellow Marvel movie universe star Evans, who is a Patriots fan, in a Twitter exchange last week.

Pratt quickly acknowledged his team's defeat Sunday night.

And it looks like Captain America will be there, too, and according to Evans, Seattle Children's won't miss out despite the Seahawks' loss.

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