After Wilson Fisk in Daredevil and Kilgrave in Jessica Jones, the bar has been set high for the villains in the Marvel/Netflix series, but Marvel’s Luke Cage – debuting Friday on Netflix -- comes out of the gate with a notable antagonist via Cornell Stokes, AKA Cottonmouth, played by Mahershala Ali (The 4400, House of Cards, The Hunger Games: Mockingjay Part 1 and 2).