Christopher Markus is a screenwriter and producer. Along with his writing partner, Stephen McFeely, they were the second and the third most successful screenwriters of all time in terms of U.S. box office receipts with a shared total gross of over $3.1 billion. However, in overall, they are the highest grossing screenwriters altogether in terms of worldwide box office with the total gross of $9.3 billion.
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Markus' films include The Chronicles of Narnia, all 3 Captain America films, Thor: The Dark World, Avengers: Infinity War and Endgame.