In October 2011, Mormeck was signed to fight unified Heavyweight Champion Wladimir Klitschko on 10 December 2011 at Esprit Arena, Düsseldorf, Germany until Klitschko pulled out after having a kidney stone removed on 2 December 2011. The fight was postponed to 3 March 2012. In this fight, Mormeck attempted to be only the third cruiserweight champion to win a world title at Heavyweight, after Evander Holyfield and David Haye.

Jean Marc Mormeck defends his WBA Super and WBC World cruiserweight titles against David Haye at Palais des Sport Marcel Cerdan in Levallois-Perret, Hauts-de-Seine, France.

Alfonso, brutal agent of the Department of Protection of High Personalities, is forced to team up with young inexperienced recruit Walter, fascinated by the world of show biz. This improbable duo is in charge of the protection of Jal-Y, a young R'n'B star threatened by his ex, a criminal on the run.