Cena confirmed what fans had been speculating since April, posting to Twitter saying, "For nearly 20 years, the Fast franchise has entertained fans and created some of the biggest cinematic moments in history. It's an incredible honour to join this franchise and this family."
Industry site Deadline first reported the news on Friday (US time), saying the only thing known about Cena's character is that he will be "a bad...".
The official confirmation comes two months after longtime star of the franchise, Vin Diesel, hinted at the addition on his Instagram account.