Ultimate Iron Man #3 (2005)

Ultimate Iron Man
Tony manages much of his own escape from Stane by cutting his own foot in half. It eventually grows back. By the time he's fourteen years old, he's in a private school and developing major improvements to his Stark armour. Loni returns home, hoping to get back on Howard's good side so he can get Obidiah into a better school. Tony also makes friends with a certain James Rhodes.
Release Date: 2005