WWE SummerSlam 2025 holds special significance, marking John Cena's final appearance as an in-ring wrestler at SummerSlam and culminating his year-long retirement tour. Cena's farewell run, a 36-date schedule, saw him face multiple WWE superstars, including Randy Orton and CM Punk, before his final SummerSlam opponent, Cody Rhodes. WWE has capitalised on this retirement storyline to drive major promotional campaigns, generating heightened fan engagement and ensuring Cena's exit feels like an industry-defining event. Ongoing developments across SmackDown have built significant drama, with WWE both celebrating Cena's legacy and shaping future narratives. Here's all you need to know about the latest edition of WWE SummerSlam.