Order the options from best (top) to worst (bottom)...

Obadiah Stane/Iron Monger (Jeff Bridges) Emil Blonsky/Abomination (Tim Roth) Ivan Vanko/Whiplash (Mickey Rourke) Loki (Tom Hiddleston) Johann Schmidt/Red Skull (Hugo Weaving) Aldrich Killian/Mandarin (Guy Pearce) Malekith (Christopher Eccleston) Alexander Pierce (Robert Redford) Ronan the Accuser (Lee Pace) Ultron (James Spader) Darren Cross/Yellowjacket (Corey Stoll) Helmut Zemo (Daniel Brühl) Kaecilius (Mads Mikkelsen) Ego the Living Planet (Kurt Russell) Adrian Toomes/Vulture (Michael Keaton) Hela (Cate Blanchett) Erik Killmonger (Michael B. Jordan) Thanos (Josh Brolin) Ava Starr/Ghost (Hannah John-Kamen) Supreme Intelligence (Annette Bening)