Spoilers for "Peacemaker" season 2 follow. If there's a central antagonist in "Peacemaker" season 2, it's General Rick Flag Sr. (Frank Grillo), new director of the Advanced Research Group of The United States (A.R.G.U.S.). Yet even though he's been instigating the conflicts this season, I haven't really thought of him as a "villain." After all, Peacemaker/Christopher Smith (John Cena) did kill the general's son, Rick Flag Jr. (Joel Kinnaman). Can you not see why Flag wants revenge for that and is relentless in pursuing it? To recap: Peacemaker was placed on Task Force X back during "The Suicide Squad" for...