#2 The Undertaker could face Shane McMahon or Drew McIntyre at SummerSlam
The alliance of Drew McIntyre and Shane McMahon has been involved in a feud with Roman Reigns for the past couple of months. In all honesty, it has been a tedious rivalry and it should have ended at Stomping Grounds. After the addition of Undertaker in this storyline, the feud got rejuvenated.
Unless WWE decides to a shock everyone, Undertaker and Roman Reigns are likely to win at Extreme Rules. Following Extreme Rules, the company could renew the feud till SummerSlam. Considering Reigns already squared off with both Shane and McIntyre, it will be repetitive if he faces either of the two Superstars.
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The Phenom has entered this feud and he could face either Shane or McIntyre at SummerSlam. We already saw a match between Undertaker and Shane at WrestleMania 32, so, McIntyre could be a fresh opponent for Undertaker. Moreover, WWE is building McIntyre as one of the biggest heels and a match with Undertaker could lift his stature.