Marvel's criminals come from all walks of life, making up a very diverse and interesting community of jerks, but one thing unique to the Marvel Universe is that most terrible bad guys won't tolerate blatant racism, or worse, straight-up Nazis. Even though Red Skull is one of Marvel's greatest threats, he and his cadre of Nazis operate in relative isolation from most of the villain world, as they're all both feared and loathed by most of planet Earth. This goes for Crossbones, too, who makes his Marvel Comics debut in Red Skull's employ.
