Captain America: The Winter Soldier was based on a story.
Captain America : The Winter Soldier is a 2014 American superhero film based on the Marvel Comics character Captain America , produced by Marvel Studios and distributed by Walt Disney Studios Motion Pictures . A major influence in The Winter Soldier was conspiracy fiction from the 1970s such as Three Days of the Condor , with the script also drawing from the Winter Soldier story arc written by Ed Brubaker .