How many movies have Sebastian Stan and Stan Lee collaborated on?

They have worked on 7 movies together! Their first movie together was Captain America: The First Avenger (2011) while their highest rated movie together was Avengers: Endgame (2019). They have not worked together since Avengers: Endgame (2019). They are most known for their science fiction films together.

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Bucky Barnes / Winter Soldier
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Executive Producer
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Comic Book
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In Memory Of
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Driver
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Characters
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James 'Bucky' Barnes / Winter Soldier
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Executive Producer
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Bus Driver
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James 'Bucky' Barnes / Winter Soldier (uncredited)
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Comic Book
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Thirsty Gambler
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Executive Producer
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James 'Bucky' Barnes / Winter Soldier
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FedEx Driver
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Executive Producer
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James 'Bucky' Barnes / Winter Soldier (uncredited)
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Executive Producer
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Bartender
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Comic Book
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James 'Bucky' Barnes / Winter Soldier
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Smithsonian Guard
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Executive Producer
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Thanks
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James Buchanan 'Bucky' Barnes
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Executive Producer
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General (uncredited)