US AGENT

John F. Walker, known as U.S. Agent, is a complex Marvel Comics antihero and former Captain America created by Mark Gruenwald and Paul Neary. Initially introduced as Super-Patriot, he represents a pragmatic, militant contrast to Steve Rogers, serving in key teams such as West Coast Avengers, Force Works, and Thunderbolts. In the Marvel Cinematic Universe, he is portrayed by Wyatt Russell.