dramatic Season 2 finale of “Severance,” viewers have many questions about where the Apple TV+ sci-fi series goes next.But one of the biggest mysteries surrounds John Turturro and his future on the show.The 68-year-old actor, who plays Irving, appeared in every episode of “Severance” Season 1. But that wasn’t the case in Season 2, which saw Innie Irving be terminated for exposing Helena posing as Helly at the end of Episode 4.Turturro made his final Season 2 appearance in the penultimate episode, where Burt (Christopher Walken) sends Outie Irving away on a train to flee Lumon.