This is probably the most entitled thing I've ever read here. "Give me comics I want or someone's definitely going to get fired!" If that's even the case, and I'm definitely not saying it is, let that be a concern for whoever's getting fired and doing the firing. You're only a consumer here. And DC doesn't really have to specifically answer whatever Marvel does. That is probably not the best strategy anyway. DC had success hitting Marvel where Marvel was lacking with Wonder Woman, and that worked pretty well for them. Again, you're acting like DC is specifically obligated to cater to you, but maybe they're just not as interested in hitting your demographic, and there's no crime in that. I'm not interested in writing lesbian romance novels, and you know, I shouldn't really be forced or browbeat into having to do that. That said, I'm sure there is a market for that, and I'm willing to bet someone much more interested in that than I am is out there servicing that market.
I'm all for black heroes getting attention, but I just think it's a little weird to continually verbally arm bar DC to try to get them to give into your demands. Just look elsewhere if you're not satisfied.