Of the things WCW did right in the mid to late 90's, they managed to build Sting and Goldberg properly. With Goldberg, you've got a prototype waiting in the wings in Ryback. I propose giving John Cena a Crow-like gimmick so as to avoid the controversial heel turn: Make a super heel out of Barrett and align him with Triple H. The Shovel/Barrett can bury Cena, more or less, convincing fans he's lost his 'invincibility.' Cena takes time off and appears in a hoodie in the stands at RAW or other random events By doing this, Cena can appear at events w/o wrestling and still sell tickets and t-shirts under this new non-heel gimmick. Once Cena establish this darker Crow like gimmick he can face Taker at Mania and make it epic.