Superheroes are generally law-abiding, but are generally disinclined to shange their uniforms. Batman, Hulk, Flash, Mary Marvel, Captain America and most others don't wear mouth protection and must be sidelined. We can rely on a handful of remaining heroes who were already properly masked to save the day. (I am not considering android heroes like the Metal Men who fall into a nebulous category). Feel free to add to my list, as I am practically a Marvel Comics illiterate. Superheroes who can continue on about their business: DC: Silver Age Vigilante Golden Age Red Tornado Golden Age Sandman Rorschach Marvel:...