Christopher Markus

Christopher Markus born October 16 1969 and Stephen McFeely born February 24 1970 are American screenwriters and producers McFeely and Markus were the second and the third most successful screenwriters of all time in terms of US box office receipts with a shared total gross of over 31 billion However in overall they are the highest grossing screenwriters altogether in terms of worldwide box office with the total gross of 93 billion They gained worldwide recognition for their works that include The Chronicles of Narnia film franchise and the Marvel Cinematic Universe MCU having written the first three Captain America films The First Avenger The Winter Soldier and Civil War in addition to Thor The Dark World Avengers Infinity War and Avengers Endgame which is currently the second highestgrossing film of all time unadjusted for inflation They also created ABCs Agent Carter TV series set in the MCU