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U.S. Agent (John Walker) Reading Order

Thanks to the MCU, U.S. Agent a.k.a. John Walker seems to be more relevant in 2026 than he may have ever been in the comics since his first appearance as the (second) supervillain Super-Patriot in Captain America #323 in 1986, a comic book by Mark Gruenwald and Paul Neary. Still, he had a notable role when Steve Rogers stepped down as Captain America; he took over the role and gradually transitioned into the brutal, shield-wielding anti-hero known as U.S.Agent.

John Walker is far more than just a “Dark Captain America.” Since his debut in 1986, he has served as a complex mirror to American idealism, a soldier who follows orders when Steve Rogers follows his conscience. Whether you discovered him through Wyatt Russell’s performance in the MCU or his long history as a mainstay of the West Coast Avengers, navigating his four-decade history can be as volatile as the character himself.

This guide breaks down every era of Walker’s career, from his corporate-sponsored beginnings and his polarizing stint as the Sentinel of Liberty to his modern redemption arcs.

Where to Start with John Walker?

  • The Origin Story: Captain America: The Captain
    The rivalry between Steve Rogers and John Walker, this is where it all began. From Walker getting the shield to his eventual mental breakdown and his rebirth as the US Agent.
  • The Team Player: West Coast Avengers
    For those who want to see John Walker as the “hero you love to hate.” He isn’t the star of the book, he’s the disruptor. Walker is assigned to the team by the government to keep them in line. This creates an immediate “Team vs. The Suit” tension that defines his early years as U.S.Agent. If you want to see Walker trade insults (and blows) with Hawkeye, this is the place to do it. Their clash of personalities—rebel vs. soldier—is the heart of this run.
  • The Modern Take: U.S. Agent: American Zealot
    Fans of the MCU, Wyatt Russell’s portrayal, and political thrillers. This 5-issue miniseries by Christopher Priest is the definitive modern take. It treats Walker as a complex human being rather than a caricature. It’s a self-contained “morality play” that explains his family trauma and his struggle to find a purpose after being fired by the government.

John Walker, U.S.Agent Reading Order

  1. The Captain Era (1986-1987): John Walker is Captain America.
  2. The Birth of US Agent & West Coast Avengers (1989-1994): John Walker, team player.
  3. U.S. Agent of the Jury, S.T.A.R.S., the New Invaders & Omega Flight (1998-2007): John Walker, Free Agent.
  4. From Dark Reign to Dark Avengers (2009-2013): From being an Avenger to a prison warden. 
  5. U.S. Agent of Comebacks (2016-today): The guest-Star era.

The Captain Era (1986-1987)

Before John Walker was the government’s hand-picked Captain America, he was its loudest critic. This era is essential because it establishes Walker not as a villain, but as a zealot. He didn’t want to destroy America; he wanted to “rebrand” it for the corporate-driven 1980s. In these comics, Walker is introduced as a superhuman who gained his abilities from the Power Broker. He operates as a media-savvy provocateur, staging public fights to make Steve Rogers look “obsolete.”

Introduced during the 10-year run of Mark Gruenwald on Captain America, Walker debuted as Super-Patriot and challenged Cap’s ideals in Captain America #323, before coming back in issue #327 to create problems. The crucial turning point for him came quickly when Steve Rogers resigned, and the government began looking for a replacement in issue #332. That’s when John Walker became the government-sponsored Captain America. Unlike Steve Rogers, who represents the country’s ideals, Walker represents the state’s interests. However, over time, the true power behind the Commission is revealed. It all came to a head in the 350th issue, which marked the end of his tenure as Captain America, but Walker’s story continued beyond that.

The Birth of US Agent & West Coast Avengers (1989-1994)

After the dust settled from his showdown with Steve Rogers, John Walker didn’t just disappear, he was “rehabilitated.” The government faked his death (in Captain America #351), brainwashed him to dampen his trauma, and suited him up in the black-and-red costume Steve Rogers had worn as “The Captain” (in Captain America #354).

The U.S.Agent we know today was officially born. He was placed on the West Coast Avengers as a government watchdog (starting with West Coast Avengers #44). Unlike most heroes who join teams to make friends, Walker was a “mandatory” addition. His constant clashing with Hawkeye and Iron Man over ethics and authority defines this era. He also has to deal with his “reprogramming.”

Spanning out from the West Coast Avengers were Force Works, a team created by Iron Man following the shutdown of West Coast. For now (as of April 2026), the series has not been fully collected. You can find it on Digital, or look at our West Coast Avengers complete reading order to help you track the issues in the different collected editions. The Iron Man/Force Works/War Machine crossover “The Crossing” has been collected in full in a volume of the Epic Collection.

U.S. Agent of the Jury, S.T.A.R.S., the New Invaders & Omega Flight (1998-2007)

Once Force Works concluded, U.S. Agent disappeared for a while and resurfaced a few years later in Thunderbolts #23 as the field leader of the Jury, a group of armored corporate vigilantes owned by Edwin Cord, owner of Cordco. He was tasked to take down the Thunderbolts. He reappeared in issues #28 and especially issue #32. All that is collected in Hawkeye & The Thunderbolts. 

While playing only a small part in Captain America (1998) #33–34, it was still a noticeable intervention as U.S. Agent was nearly killed by Protocide. As a result, he was equipped with an enhanced exoskeleton thanks to the S.H.I.E.L.D. The story is collected in Captain America by Dan Jurgens, Vol. 1. Saved, he became a key player with the Superhuman Tactical Activities Response Squad (S.T.A.R.S.) in the three-part miniseries event Maximum Security, which led to a new US Agent miniseries.

Introduced in an Avengers story arc, John Walker led the New Invaders. This revival of the team also included the original Human Torch, Union Jack (Joseph Chapman), and the Blazing Skull. But it didn’t last. 

Continuing to jump from one team to another, John Walker reemerged during Civil War. As U.S.Agent sided with the Superhuman Registration Act, Tony Stark decided to send him to Canada to be America’s liaison for a new team called Omega Flight. Walker didn’t want to do it, but personal circumstances would lead him on the other side of the border to track down American criminals.

  • Omega Flight: Alpha to Omega
    Collects Omega Flight #1-5 and material from Civil War: Choosing Sides. 
  • Weapon Omega
    Collects material from Marvel Comics Presents (2007) #1-12 and Civil War: The Initiative One-Shot.

From Dark Reign to Dark Avengers (2009-2013)

During the Dark Reign era, John Walker resurfaced and was taken away from Omega Flight under false pretences. After finding his place in The Mighty Avengers, he decided to join them. This was during Dan Slott’s time as writer of the title.

Things ended violently for John Walker with the Mighty Avengers during the events of Siege. He is not able to keep fighting as U.S.Agent, but he immediately rebounded by being appointed as warden of the Raft maximum security prison. This made him a supporting character (meaning limited participation) in the Thunderbolts series led by Luke Cage during Marvel’s Heroic Age. 

Multiple Captain Americas from different eras are brought together to fight a common menace to the timestream. They formed the Captain America Corps.

With the Thunderbolts lost in time, a new group steps in to replace them: the Dark Avengers! The title was renamed to reflect this reality, with the same numbering and still Luke Cage as a leader. At the beginning of the Masters of Evil, John Walker is made whole and put in his U.S. Agent costume, back in action.

U.S. Agent of Comebacks (2016-today)

Once again, John Walker disappeared for a while. He resurfaced in Avengers World #15-16. In this story, part of the AXIS crossover event, U.S.Agent is recruited into Doctor Doom’s Avengers. The character didn’t regain a regular role in a team for some time after that. He appeared in Captain America: Sam Wilson, making a bloody comeback in issue #11 before being asked to get Captain America’s shield from Sam during the Civil War II crossover. 

Force Works made a short comeback in 2020 to fight against an uprising of robots and artificial intelligence. Then, in the 5-part miniseries John Walker: U.S. Agent, Walker acts as a private security consultant after being fired by the government. Later, he joined the fight against a vicious Captain America impostor in the last two parts of The United States of Captain America miniseries.

During the Devil’s Reign crossover event, U.S.Agent is recruited by Mayor Wilson Fisk to become the leader of the latest version of the Thunderbolts. 

Following the event, Walker has to face off against Daredevil in Daredevil (2022) #5 (collected in Daredevil & Elektra by Chip Zdarsky Vol. 1: The Red Fist Saga). He was mostly absent after that, only resurfacing in a supporting role in Thunderbolts in 2023 and (and more of a cameo role) in 2025.

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