John Cena talks about making a surprise cameo in Superman and trying to enjoy every moment of his WWE Farewell Tour after wrestling for almost 25 years before revealing surprises for Season 2 of Peacemaker. The Tonight Show Starring Jimmy Fallon. Stream now on Peacock: https://bit.ly/3gZJaNy Subscribe NOW to The Tonight Show Starring Jimmy Fallon: http://bit.ly/1nwT1aN Watch The Tonight Show Starring Jimmy Fallon Weeknights 11:35ET/10:35c Get more The Tonight Show Starring Jimmy Fallon: https://