Last week on SmackDown, Seth Rollins defeated Edge in a Summerslam rematch by using the Stomp. As a result, Edge was stretchered out of the arena with a neck injury and taken away in an ambulance. According to the Wrestling Observer Newsletter, this angle was used to get rid of Edge for several months, as he is only on a part time contract. Therefore, it is easier to write Edge off of television with injury angles to explain his absences.
Edge has been fairly awesome in his most recent comeback. Check out how he was put on the shelf, plus what he has done recently: