Warning: Contains a preview for Devil's Reign #5
One of the most dangerous powers in the Marvel Universe is the Purple Man's ability to control people's minds and actions but in a preview for Devil's Reign #5 — by Chip Zdarsky, Marco Cecchetto, and Marcio Menyz - U.S.Agent proved his mental fortitude is on par with the hero he originally replaced, Captain America.
John Walker is a U.S. Army veteran who acquired superpowers from the Power Broker and joined the Universal Class Wrestling Federation, before deciding to become a hero to honor the memory of his brother. After a brief stint as the Super-Patriot, Walker was chosen to replace Captain America when the latter retired for a time (as a consequence of the Red Skull's machinations). When Steve Rogers returned, Walker reestablished himself as U.S.Agent and joined several superhero teams, including the Avengers. Because of his hardcore patriotism and conservative views, Walker often works for the U.S. Government or other official organizations, but his time in the superhero community helped USAgent in moderating his views.
Related: USAgent Just Took Over the Thunderbolts in the Perfect Way
Most recently, Walker joined Mayor Wilson Fisk's team of Thunderbolts, a group of former supervillains that the Kingpin is using as his personal strike force to keep control of New York. However, it was revealed that U.S.Agent is actually working for the FBI, trying to gather evidence on Fisk to take him down. The Thunderbolt's latest mission is to retrieve the «Purple Children», the sons and daughters of Zebediah Killgrave, the Purple Man. Fisk has captured Killgrave and siphoned his mind-control powers in order to win the coming mayor elections, with plans to move on to the
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