Sentry joins the Dark Avengers, Norman Osborn's personal team of Avengers, stating that Osborn is helping him in return after Osborn confides his own mental deficiency in Bob. Upon confronting the sorceress Morgan le Fay, the Sentry kills her only to have her come back to life and kill him in turn. After the Dark Avengers and Doctor Doom defeat Morgan, the team returns to New York City to find the Sentry reappears alive and well. After a terrorist attack by an Atlantean cell, Norman Osborn demands to speak to the Void and tells him to kill all the terrorists. The Sentry obliges but is seen with black eyes, indicating the return of the Void within the Sentry persona.