How many movies have James McAvoy and Stan Lee collaborated on?

They have worked on 6 movies together! Their first movie together was X-Men: First Class (2011) while their highest rated movie together was X-Men: Days of Future Past (2014). They have not worked together since Dark Phoenix (2019). They are most known for their action films together.

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Charles Xavier / Professor X
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Executive Producer
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In Memory Of
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Thanks
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Charles Xavier / Professor X (uncredited)
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Executive Producer
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Charles Xavier (uncredited)
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Executive Producer
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Charles Xavier / Professor X
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Stan Lee
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Executive Producer
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Charles Xavier / Professor X
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Executive Producer
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Charles Xavier / Professor X
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Executive Producer