Genius billionaire inventor who created the Iron Man armor and sacrificed himself to save the universe.
Romanoff initially supports Stark's enforcement operation.
Stark assembles a team including Romanoff to capture Rogers's renegade group.
Their disagreement over accountability fractures the Avengers.
Rogers opposes external oversight while Stark supports the Sokovia Accords, and they later fight at the Siberian facility.
They cooperate against Rogers's faction and Zemo's plot.
Stark's capture team includes T'Challa, who participates in the airport confrontation and later follows Stark to Siberia.
Stark acts as Parker's sponsor and emerging mentor.
Stark recruits Parker for his airport team, and the post-credits scene shows Parker exploring web shooters built by Stark.
Stark's grief transforms Barnes from a suspected criminal into his personal enemy.
Stark learns that Barnes killed his parents in 1991 and attacks Barnes at the Siberian facility.
Zemo uses Stark's grief to complete his plan to fracture the Avengers.
Zemo reveals the footage of Barnes killing Stark's parents to provoke Stark against Rogers and Barnes.
Stark supports Rhodes's recovery after the airport battle.
After Rhodes is partially paralyzed, Stark provides exoskeletal leg braces that allow him to walk again.
Explore the full interactive character relationship map of Captain America: Civil War
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