Marvel (#U-S-Age) Back to listing Description With the end of the Vietnam War, John Walker thought his dreams of becoming a war hero had also ended, until he learned of the Power Broker, who could give anyone superhuman powers, which Walker used to first become Super-Patriot and later, U.S. Agent. Name U.S. Agent Super Name U.S. Agent Code U-S-Agent Are you sure you want to %action_name%?