The Heroes R Us organization will accept all races, creeds, genders, sexual orientations, and handicaps.
Subverted: Emperor Evulz has Mooks that are both men and women, gay and straight, of every race, color, religion and creed. Then we see that there's a considerable glass ceiling, and most, if not all, of his higher-ups are more "pure-blooded".
Zig Zagged: Emperor Evulz has the most diverse Evil Army in the world. But that's just for the Mooks, and a heavy glass ceiling means that only straight males of Evulz' own ethnic group and religion are officers. However, extenuating circumstances have Emperor Evulz hire Lina, a blind bisexual Lithuanian girl, as a soldier, and despite all odds she is promoted to The Dragon. However, it then turns out that Emperor Evulz only promoted her for her psychic powers, and plans to kill her off. Lina then pulls a High Heel-Face Turn for Bob, the hero, and the resistance movement kills off Emperor Evulz. His successor, Emperor Evulz II, is a Politically Incorrect Villain, until his own Mooks kill him off and replace him with a more tolerant regime.
Lampshaded: "For an evil empire, he's remarkably politically correct".
Invoked: Emperor Evulz, an Affably EvilVillain with Good Publicity, knows that his being viewed as progressive is vital to being beloved by his people, and integrates racial, religious and gender equality in all of his government agencies, including the military.
Exploited: Because of Evulz' equal opportunity hiring practices, no one bats an eye when the ethnically diverse band of heroes disguise themselves as his mooks. This wouldn't have worked if Evulz only hired male orcs or some equally narrow group.
Defied: "Only the pure of blood can join the Imperial Legions!"
Discussed: "You'll find Emperor Evulz doesn't particularly care who does the dying for his goals. The color of the body doesn't really affect his plans, after all".
Conversed: "Ever notice how the bad guys are more diverse than Our Heroes?"
Despite Emperor Evulz' remarkable tolerance, his laws are still Draconian, and his rule is still inept with myriad economic and social problems. The resulting unrest causes his subjects to decry him as a lazy politician, with the Equal-Opportunity Evil as a cheap attempt to garner good ratings.
Alternatively, the subjects of Emperor Evulz have a low opinion of Bob, the hero's, homogeneous Five-Man Band.
Cultural differences between different ethnic factions in Emperor Evulz army render it ineffective.
Reconstructed: In addition to political correctness, Emperor Evulz has also made remarkable strides in keeping his empire's economy in check and improving infrastructure and public welfare, thus retaining his Villain with Good Publicity status.