The relationship between Mark Grayson and his father in Invincible has been the very definition of a love-hate dynamic. With the titular hero recently exploring the underworld in an original story for the series, Mark has now been called upon to take on the Viltrum Empire thanks to Omni-Man returning to the Earth. In an … Continue reading Invincible Season 4 Clip Reunites Mark And Nolan (Exclusive)