 Wrestlers portrayed either a fan favorite or villainous gimmick, as they followed a series of events which generally built tension, leading to a wrestling match.The main feud heading into SummerSlam on the Raw brand was between Hulk Hogan and Shawn Michaels.A feud between Michaels, and Muhammad Hassan and Daivari began on the April 4 episode of "Raw", when Hassan and Daivari attacked Michaels.