U.S. Agent is a character appearing in American comic books published by Marvel Comics, usually those starring Captain America and the Avengers. Created by Mark Gruenwald and Paul Neary, the character first appeared in Captain America #323 as Super-Patriot. He was later redesigned as an incarnation of Captain America and a few years later, as U.S. Agent.
U.S. Agent. Art by Leinil Francis Yu.
John Walker as Super-Patriot. Cover of Captain America #327 (March 1987). Art by Mike Zeck and Bob McLeod.
Clockwise from top left: Human Torch (Jim Hammond), Captain America, Sub-Mariner, Union Jack (Joseph Chapman), U.S. Agent, and Blazing Skull on the cover to New Invaders #1, with art by Scott Kolins.
The Avengers are a team of superheroes appearing in American comic books published by Marvel Comics, created by writer-editor Stan Lee and artist/co-plotter Jack Kirby. The team made its debut in The Avengers #1. Labeled "Earth's Mightiest Heroes", the original Avengers consisted of Iron Man, Ant-Man, Hulk, Thor and the Wasp. Captain America was discovered trapped in ice in issue #4, and joined the group after they revived him.
Cover of The Avengers Vol. 3 #38 (March 2001). Depicting (left-to-right): Hulk, Iron Man, Wasp, Thor, Vision, Captain America, Wonder Man, Hank Pym (as Goliath), Scarlet Witch, Carol Danvers (as Warbird), Quicksilver, and Delroy Garrett (as Triathlon). Art by Alan Davis
The debut of the original Avengers: The Avengers#1 (Sept. 1963). Cover art by Jack Kirby and Dick Ayers The five founding members were: Iron Man, Thor, Ant-Man, The Wasp, and The Hulk.