As we reported yesterday, Rage Against The Machine and Public Enemy stirred some interest in their future joint plans with some mysterious posts and websites. Now, according to a new report by Billboard, the entire “Prophets of Rage” campaign is for the announcement of a forthcoming supergroup featuring members of Rage Against The Machine, Public Enemy and Cypress Hill. Sources tell Billboard that Chuck D and B-Real will unite with three out of four Rage members, with Zack de la Rocha the only Rage member reportedly not involved. The piece also cites a forthcoming June 3 event at the Hollywood Palladium as the group’s official debut and introduction. You can run through the entire write-up here.