Cena gave a nod to Brock Lesnar by sharing a (seemingly AI-generated) graphic of Cena, Lesnar, and AJ Styles putting their fists together. All three have entered retirement recently, with Cena being the first to end his in-ring career in December 2025. Styles then stepped away from the ring in January, and Lesnar announced his retirement this week after SummerSlam. John Cena vs. Brock Lesnar rivalry —Cena and Lesnar came up through OVW and arrived in WWE around the same time. The Lesnar vs. Cena match from SummerSlam 2014 — where Lesnar essentially squashed Cena — was ranked by WWE as the most shocking moment in SummerSlam history.