While John Cena will certainly have first-time challengers in his retirement tour, there are some WWE stars he'll likely never face.

Amid a clamor for his return to the ring from fans, one former 13-time WWE champion has ruled out a comeback despite his dream of resuming an iconic rivalry.

Below we break down Cena's early life, his lengthy wrestling career, how he landed his many acting roles, and his net worth. John Cena has had a major career beyond just his time as a WWE superstar. Aside from being a jacked pro wrestler,