‘Moon Knight’ star Oscar Isaac is opening up about his new role in this interview with ‘Extra’s’ Katie Krause, revealing the story behind the character’s accent and if Moon Knight will connect to other MCU characters. He gets candid about the prep that went into playing such a layered superhero — Steven Grant has dissociative personality disorder. Oscar also says he reached out to Robert Downey Jr. about joining the Marvel Cinematic Universe and reveals the advice he received from him! ‘Moon Knight’ premieres March 30 on Disney+.