They're dying to save the world, willingly or otherwise...
Amanda Waller - The security of the Free World is her one concern, and she doesn't care how many men, women and children she has to sacrifice to secure it.
Rick Flagg - As the Suicide Squads most stalwart member, Rick Flagg must ensure the success of their missions, shepherding the worst of the worst into saving the world.
Katana - Matched by few, and bested by none, Katana is a lethal addition to any squad, and few are the adversaries that can stand in her path.