Actor Chris Evans meets with Democratic senators before State of the Union
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"Captain America" star Chris Evans visited the U.S. Capitol on Tuesday and met with lawmakers ahead of President TrumpDonald John TrumpTrump: 'I will not let Iran have nuclear weapons' Rocket attack hits Baghdad's Green Zone amid escalating tensions: reports Buttigieg on Trump tweets: 'I don't care' MORE's State of the Union address.

Democratic Sens. Ed MarkeyEdward (Ed) John MarkeyTrump faces criticism for hosting Hungary's leader Bill Nye tees off on climate change skeptics: 'The planet is on f---ing fire!' Sanders to join Ocasio-Cortez in headlining Green New Deal rally Monday MORE (Mass.), Chris CoonsChristopher (Chris) Andrew CoonsMnuchin says carbon capture tax credit guidance will be out soon Mnuchin signals administration won't comply with subpoena for Trump tax returns Menendez, Rubio lead Senate effort to regulate Venezuelan sanctions MORE (Del.) and Maggie HassanMargaret (Maggie) HassanOvernight Health Care — Presented by Campaign for Accountability — House passes drug pricing bills amid ObamaCare row | Senate Republicans running away from Alabama abortion law | Ocasio-Cortez confronts CEO over K drug price tag Bipartisan senators unveil measure to end surprise medical bills Work on surprise medical bills goes into overdrive MORE (N.H.) each posted photos on social media with the actor, who has been an outspoken critic of the Trump administration.

Evans, a Bostonian, posed with Markey for a photo in which the two held up a piece of paper that read "Congrats Pats!" The New England Patriots held a championship parade on Tuesday to commemorate the team's latest Super Bowl victory.

Evans also met with Coons, who joked on Twitter that the two discussed the properties of vibranium, a substance found in the Marvel Cinematic Universe.

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"We also talked about the good work he’s doing to get young Americans more engaged in civics, which is important, too," Coons added.

It's unclear why Evans was at the Capitol on Tuesday. National Journal reporter Zach Cohen reported that the movie star said he was on the Hill for "a project," but would not elaborate and said he was not staying for the State of the Union.

Evans is the nephew of former Rep. Mike Capuano (D-Mass.), who lost a primary last year to Rep. Ayanna PressleyAyanna PressleyTlaib blasts arrests of pro-impeachment protesters on Capitol Hill Let's vow that no mom should die giving life Booker, Ayanna Pressley introduce bill taking aim at black maternal death rates MORE (D-Mass.).