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Black Widow encounters the Guardians of the Galaxy in a clip from this week's "Marvel's Avengers Assemble," airing Sunday at 8:30 a.m. ET on Disney XD!

"Widow's Run" Clip 1

Black Widow encounters the Guardians of the Galaxy in a clip from this week's "Marvel's Avengers Assemble," airing Sunday at 8:30 a.m. ET on Disney XD!

Black Widow encounters the Guardians of the Galaxy in a clip from this week's "Marvel's Avengers Assemble," airing Sunday at 8:30 a.m. ET on Disney XD!

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