Here's a look back at the history of Marvel Studios before Avengers: Endgame hits.
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Marvel Entertainment set out to produce its own movies independently in 2005.
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The film that started it all was 2008's Iron Man starring Robert Downey Jr.
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The following month, Marvel released The Incredible Hulk starring Edward Norton.
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The darkest MCU film yet, the film underperformed but built solid links to Iron Man.
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Thor and Captain America faced delays, so Marvel fast-tracked a sequel to Iron Man.
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The film proved to be an even bigger success -- Disney bought Marvel during its development.
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