#2 An appearance from Brock Lesnar
It is no secret that Brock Lesnar is scheduled to have a match at Super ShowDown in Saudi Arabia. Lesnar's last appearance was at the Grandest Stage of Them All, where he was beaten by Seth Rollins. Since Lesnar never received a rematch of the Universal Championship, the Beast Incarnate could demand a title shot.
Seth Rollins and AJ Styles are set to face each other at the XL Center. It is certainly a dream match for a large number of fans. Considering the dexterity of the two Superstars, they could tear the house down at Money in the Bank. A clean loss for either of the two Superstars could derail their momentum, and Vince McMahon could give us a massive surprise.
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Brock Lesnar could interfere in the match if the Chairman gives a rematch to Lesnar. Imagine the scenario if Lesnar shows up during the Universal Championship match at the XL Center. An angry Beast could deliver a number of German Suplexes and F-5s to Rollins, which could set up a rematch. Moreover, a triple threat match is also possible between Styles, Rollins and Lesnar in Saudi Arabia.