This one's a little far-fetched, but if it were going to happen at any point, WrestleMania 31 would surely be the best time. With Sting making his long-awaited WWE debut, the involvement of his oldest foes would ramp up the intensity even further - especially with him facing Triple H, who shares obvious connections with Scott Hall and Kevin Nash. Potential Role: Swarming the ring to join the Game in a match-halting beatdown of Sting, before spray-painting "nWo" on everything as the internet sobs gently. Failing that, some backstage shenanigans would do.