There are two thors. Jane Foster and Odinson, it wil be more so when one of them picks up the hammer Ultimate Thor left on Asgard so conveniently. Two Captain Americas, since Steve Rogers ain't dead and seems to be getting more and more in shape with avery passing month. Two Hulks since banner is still around and he will always be hulk. Two wolverines, X-23 and Old Man Logan. So yes, it's kind of confusing.
And to adress your comments about minorities, I guess you are one of those conspirationist Marvel is sadly pampering. I don't care if the replacements are Black, Women, Gay, Latino or whatever. As I said before the problem does not reside in changing, but in way too many changes at once to the point of making the Marvel Universe unrecognizable.
My main compaint is thet if Marvel wants to push, say, a black superhero, why don't they create an original one, or push one of the already stablished ones?? Why do they have to kick aside one of their main characters to make room for the diverse one? same has happened all over their publishing line.
A very similar case happened on the 90s when Thor was replaced by thunderstrike, Iron man by War Machine, and Cap by US Agent. That time it was also rushed and bothering. And had nothing to do with diversity. On the other hand, I think that one of the saddest decisions Marvel has ever made was to get rid of all the avengers academy cast, which was all about diversity in genre, race, culture and sexual orientation...and above all, were original characters and their depiction and place in the Marvel Universe felt natural and not forced.
It's sad, but there will always be people more than willing to point their fingers and blame the others for their intolerance, even if the discussion does not remotely justify it. It's the flavor of the week after all