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James Madrox (S.H.I.E.L.D. Agent) (Earth-616)

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Agent Madrox

James Madrox (S.H.I.E.L.D. Agent) (Earth-616) 001
Information-silk Current Alias
Agent Madrox
Information-silk Relatives
Joan Madrox ("mother");

Daniel Madrox ("father");
Jamie Madrox (source);

John Maddox, Cortex, Sean Madrox, The X-Factor (fellow duplicates);
Information-silk Affiliation
Information-silk Base Of Operations
Information-silk Alignment
Information-silk Identity
Information-silk Citizenship
Information-silk Occupation
S.H.I.E.L.D. Agent
Information-silk Education
Special S.H.I.E.L.D. Training

Information-silk Gender
Information-silk Height
Information-silk Eyes
Information-silk Hair
Information-silk Origin
Information-silk Universe
Information-silk Created by
First appearance
Last appearance

Comic Book Showcase

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Captain America 2: The Winter Soldier

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Agent Madrox was a duplicate of Madrox Prime, originally sent out to study espionage. He made contact with Val Cooper, who set him up with her connections at S.H.I.E.L.D..[1]

Agent Madrox continued to work for S.H.I.E.L.D. instead of returning to Madrox Prime for reabsorption and was a strong supporter of the Superhuman Registration Act. Agent Madrox eventually returned to X-Factor Investigations and convinced Rictor and M to sign up under the SHRA.[1]

Agent Madrox was among the team that raided a secret Hydra base, but all they found were several dead Hydra agents and Madrox Prime. Before Agent Madrox knew what was happening, Madrox Prime was able to reabsorb him.[2]


  • Agent Madrox prefers the term "co-original" over "duplicate".

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