You can't see him, but you WILL see John Cena back in the squared circle once again ... with the WWE Superstar confirming he's DEFINITELY making a wrestling comeback!!!
44-year-old Cena hasn't been in the ring since WrestleMania 36 last year ... when he lost to "The Fiend" Bray Wyatt.
But the WWE legend hasn't hung up his spandex just yet -- Cena revealed he's 100% coming back to Vince McMahon's organization in the future.
"Those rumors are true," Cena said on "The Tonight Show" with Jimmy Fallon.
