John Barrowman at an event for Arrow (2012)
Malcolm Merlyn - Season 1
Who would've thought that when Arrow launched back in 2012 it would serve as the launch pad for a massive franchise that has come to include shows like The Flash, Legends of Tomorrow, Supergirl, and Vixen.
Each season has its main villain. Which of the following villains did you like the most? After voting, discuss here.