Last summer, Cena confirmed he would be retiring from the sport for good - while in March, he shocked fans once more by transforming into a 'heel' - aka an evil character - as he took aim at WWE champion Cody Rhodes, singling out a young fan in the crowd while doing so.

John Cena is in the main event, looking to break Ric Flair's all-time record with a 17th world championship. Cena said this will be his last WrestleMania as an in-ring competitor.