The Secret Avengers were founded by Captain America in response to the Superhuman Registration Act, set up precisely for those who wanted to fight against Iron Man's initiative for superhuman registration.
They fought against the registration act by helping other heroes and villains escape the country, or go into hiding. The team went through several roster changes during the conflict, with its biggest change happening after the death of Bill Foster, as several heroes left the group (seeing it as a mistake) and many more joined the group and viewing Foster's death as proof of the Registration force's evil.
The Secret Avengers' final battle was an assault on the super-prison 42 where they freed and were joined by many of the heroes imprisoned there before traveling to New York City for a final battle that ended with Captain America realizing that the normal people on the street wanted the heroes to register. Captain America asked the Secret Avengers to stand down, and the team dissolved, with many of the former members gaining amnesty for their actions by joining the 50-State Initiative. Some members still felt the need to rebel against the order and struck out on their own, though several key members of the Secret Avengers stayed together and took up the simple name of the Avengers (they saw themselves as the true bearer of the name, unlike the government-backed Avengers team).
Equipment: None known.
Transportation: None known.
Weapons: Each teammates' arsenal
- For information on the post-civil War Avengers teams, see New Avengers and Mighty Avengers.
- Not part of the Avengers mythos. The Secret Avengers merely used the name because of the large number of former Avengers on the team. Both sides of the conflict thought they were the proper bearers of the name.
- Most or all of the anti-registration combatants freed from 42 and having joined the Secret Avengers for the final battle in Manhattan aren't considered by Tony Stark and S.H.I.E.L.D. as members of the Secret Avengers.
- No trivia.
- 54 Secret Avengers (Civil War) (Earth-616) Members
- 35 Appearances of Secret Avengers (Civil War) (Earth-616)
- 2 Minor Appearances of Secret Avengers (Civil War) (Earth-616)
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- Team Gallery: Secret Avengers (Civil War) (Earth-616)