Rule 34 Dev - 2018 2boys black_panther_(marvel) black_panther_(series) blushing cousins dark-skinned_male dark_male_only dark_skin dreadlocks erik_killmonger facial_hair finger_in_mouth gay implied_anal incest male male_only marvel marvel_cinematic_universe melanin muscular_male saliva scars shaky superhero supervillain yaoi|3528880848