Team Logo. The Milwaukee Iron was a team in the Arena Football League. They only played one season after playing in Arena Football 2. In 2011, they were renamed the Milwaukee Mustangs. Retrieved from "https://prosportsteams.fandom.com/wiki/Milwaukee_Iron?oldid=7934" Categories: Former Arena League teams Arena Football 2 teams Teams in Wisconsin Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.