With John Cena's WWE farewell tour thing of the past now, all eyes are on the former Universal Champion, Brock Lesnar, as he nears the end of his in-ring career.A new update has emerged on The Beast Incarnate's rumored impending retirement.John Cena recently sparked Brock Lesnar's retirement rumors, saying that he could ride off into the sunset at SummerSlam next year, which happens to be in his home state of Minnesota.Dave Meltzer of the Wrestling Observer Newsletter fueled the rumors when he confirmed that WWE is planning retirement runs for the likes of AJ Styles, Brock Lesnar, and Chris Jericho, assuming Y2J returns next year.In an update on X, the wrestling journalist noted that Lesnar is currently on his last run, though it hasn't been publicized yet."I do know the idea of [Brock] Lesnar retiring in 2026 is not far-fetched. It is absolutely something that was on the docket for this year, you know. Anything that far away, I mean, he hasn't verbally committed to it or publicized it, unlike AJ [Styles], who's been pretty clear he's retiring this year. But, you know, I mean, there's absolutely been the idea that this is Lesnar's farewell tour, so to speak. I mean, he's going to do his last series of matches that would end at some point this year."Meltzer thinks WWE could still change Brock Lesnar's mind about his retirement decision, given that he's in great shape and a proven draw for the company."But that could change. I mean, management likes him. They think he's a draw. They're catered to him forever. And he still looks the part. It's really just his decision. It's going to be his decision."Blockbuster WrestleMania 42 match in the works for WWE icon Brock LesnarWWE is heavily promoting Brock Lesnar for WrestleMania 42 next year, suggesting he will have a marquee match in Las Vegas.As such, Ibou of Self Made Session reported that Gunther could finally face his "Ultimate End Boss" at The Showcase of the Immortals."It was originally going to be Bron and Brock, but now that Bron Breakker is going to get a title match, Brock is probably facing Gunther."Gunther and Lesnar have shared the ring only once during the 2023 Men's Royal Rumble Match.The two men were supposed to have a match at WrestleMania XL, but plans fell through after WWE took The Beast Incarnate off TV.The original plan seems to be on now that Brock Lesnar is back for good. Interestingly, The Ring General is also rumored to end the career of The Alpha Male of Our Species.Whether it will happen at WrestleMania or SummerSlam remains to be seen.If you use quotes from the article, please give an H/T to Sportskeeda Wrestling for the transcription.