It used to be kind of known as the “Nolan or ‘Dark Knight’ effect,” and it was arguably first widely felt in Sam Mendes’ “Skyfall,” where the English filmmaker admitted taking cues from the psychologically realistic, emotionally dark superhero film and applying it to his James Bond spy series. Maybe it’s just now better known as commencing from psychologically authentic terra firma, but whatever the effect is, it certainly permeates Donald Glover’s “Mr.