Frank Grillo had no idea who John Cena was before he was cast in "Peacemaker" Season 2, much to his son's dismay.

In fact, Grillo made a shocking admission that he had no clue who John Cena is, until he joined the cast of "Peacemaker." Grillo spoke to GQ about his entrance in the DCU, how comics have impacted his life since the Palisades fires, and how he has connected with his sons on everything superheroes.

For those who really do wanna wanna a taste of Peacemaker season 2, the wait is over as the show goes on tomorrow on HBO Max. Season 2 deals with the events following the death of Christopher Smith’s (John Cena) white supremacist father, Auggie Smith played by Robert Patrick. But there’s way more. Smith aka …