#2 Bray Wyatt & Seth Rollins

WWE has been teasing the return of Bray Wyatt for the past few weeks by having his Firefly Funhouse puppets stalk the other superstars backstage on Raw & SmackDown Live. It's been three weeks since WWE concluded the Firefly Funhouse segments and they cannot afford to drag Wyatt's return any further.
WWE did a great job in reinventing Bray Wyatt's character and having him anywhere down the main event picture would tarnish all the effort put into his re-debut. WWE has outplayed the Brock Lesnar and Seth Rollins feud, and now could be the time for Rollins to face his toughest challenge in a returning Bray Wyatt.
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The fans have grown tired with Baron Corbin as the challenger for the Universal title, and Bray Wyatt could provide the much-needed change. Wyatt could go after the WWE Championship, but he needs more than a pancake throwing champion to do justice to his new character.
WWE should not drag Wyatt's return any further and should have him return either at Extreme Rules or on the next night on Raw and challenge Rollins for the title.