#3 This was always supposed to be the endgame for Bray Wyatt vs Braun Strowman
Ever since Bray Wyatt introduced his sinister alter-ego gimmick of The Fiend, WWE Universe was waiting to see the clash between him and the former "Black Sheep" of the Wyatt Family, Braun Strowman. While we got an interaction between the two last year on RAW when The Fiend attacked Strowman, the full-blown feud started this year after the Monster Among Men won the Universal Championship from Goldberg at WrestleMania 36.
While fans expected Braun to have a filler feud before going up against Bray Wyatt, WWE threw a curveball as they pit the two against each other immediately following WrestleMania 36. There were some concerns of WWE rushing towards the feud, and while it was the case to some extent, they did a good job of keeping this long feud interesting and delaying the eventual clash between The Fiend and the Monster Among Men. We even saw Alexa Bliss getting involved in a huge way!
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But, the endgame of the feud was always supposed to be Bray Wyatt regaining the Universal Championship from his former follower. While the "heel turn" of Strowman did create some interest, it was not enough to book him to go over Bray Wyatt at SummerSlam.