The writers of the third Captain America film tease the possible inclusion of delusional “Super-Soldier” William Burnside.
Stephen McFeely and Christopher Markus are still trying to hammer out the setting for the sequel to Captain America: The First Avenger — the 1940s or the present? — but they’re confident in their desire to use the Falcon and Sharon Carter, two characters from Cap’s modern-day supporting cast.
Captain America: The First Avenger screenwriters Stephen McFeely and Christopher Markus acknowledge that audience reaction to the movie’s World War II setting may help decide in which era the sequel is set. “There’s going to be a lot of his World War II history we haven’t shown,” Markus says. “We’re going to have two entire timelines to play with.”