The go-home episode before SummerSlam was built around the Reigns and Lesnar bout for the Universal Championship. Raw general manager Kurt Angle also called Lesnar the worst Universal Champion ever, while voicing support for Reigns. Angle added he wants the title to be brought to Raw every week.
Lesnar re-signed with the WWE on a short-term contract following WrestleMania 34, and his long-term future is in question. It's believed that Lesnar wants to stay with the WWE, but he's also on the verge of returning to the UFC.
White has maintained that Lesnar will come back to the octagon before long, with Dave Meltzer of the Wrestling Observer Newsletter adding that The Beast Incarnate is looking to re-enter the USADA testing pool.
Speculation has suggested that Lesnar will drop the title to Reigns at SummerSlam, only for Braun Strowman to cash in his Money in the Bank contract and thus walk out of Brooklyn as the new Universal Champion. If that's what happens, many will question if Lesnar is done with WWE, but it's anybody's guess what the short-term future would hold for him.
WWE has continued to try and push Reigns as a babyface by having him call out Lesnar for being a part-time performer, and for being more worried about the UFC and paychecks than the squared circle itself.
Reigns has received more cheers than boos in recent months, so perhaps he is slowly beginning to win the crowd over. But for now, the big storyline is what will happen at SummerSlam, and whether or not Lesnar stays with WWE, and when he will make an inevitable return to UFC.