U.S. Agent



John Walker had his strength enhanced in hopes of being a hero for his country like his fallen brother. After a tenure upholding the mantle of Captain America, Walker re-established himself as U.S.Agent where he went on to have extensive service as a member of, and even leader to, the Avengers.

Origin
ohn Walker was born in Custer's Grove, Georgia, to parents Caleb and Emily Walker. He had an older brother, Michael, and a sister, Kate. Growing up, John idolized his older brother who had since died in the Vietnam war. The moment John turned of age he enlisted in the army, against his mother's silent wishes, hoping to prove himself as a "hero" like his brother. While in the army, Walker befriended Lemar Hoskins, as well as Hector Lennox and Jerome Johnson. The quartet served their time together and when they went back to the real world, John felt he still hadn't proven himself as a hero.

Not long after, the group were approached by a representative of the Power Broker who offered them enhanced strength and power. They agreed to his strength augmentation process and soon after were ready to enlist in the Unlimited Class Wrestling Federation like many of the Power Broker's successful subjects. Walker however was dissatisfied with this decision and when he was approached by an agent, Ethan Thurm, who wished to represent him as a wrestler, together they instead fleshed out his idea of what he really wanted to do with his strength; be a hero, in the shape of, the Super-Patriot.

Power and Abilities
John Walker possesses frequently understated superhuman strength vastly greater than his predecessor Steve Rogers. He also possesses superhuman endurance as well as Olympic-class gymnastic skills. Walker is an excellent fighter learning Captain America's fighting style from the Taskmaster. He is a combat veteran with military combat experience in tactical and strategic planning and observations, special operations, and is highly proficient in the use of conventional firearms. He uses his shield defensively and as a weapon throwing it with great accuracy due to his superhuman strength.

His exact strength level wavers but has been compared to that of Spider-Man's (although it should be noted Walker has actually bested Spider-Man twice in a fight). He was enhanced by the Power Broker but also appears to have strength beyond his normal treatments. The depiction of his strength mostly depends on the writer and how much research they have made into the character. For example, until very recently, Steve Rogers simply could not beat him due to his superior strength, but in 2004, Rogers was shown to beat him in a fight with relative ease. Recently it was also seen that Bucky Barnes, who has an even smaller amount of strength than Steve, could best him.