[Snowflakian]

It's moot to me unless their race is a pivotal point of the character, even then it depends on the story with it.

Characters that are full-masked are whatever to me. As the full mask generally hides any race whatsoever anyway which is typically the point. Barring certain exceptions like say Black Panther that has an entire basis around being african royalty.

Main costumed icons for the most part should remain as similiar to the iconic character they are based on in costume at least. Sometimes change is good though. Like Halle Berry as catwoman wasn't exactly a bad idea in adam west related many ways, but the script was pretty atrocius along with the costume design. The idea with a change is to be cooler than the original, not make it lamer(Shaq was a perfect john henry irons in Steel...The costume ruined it).

As long as the character is still the same in spirit, and isn't pure stereotype I'm fine with it overall. Nick Fury to Nick Fury really worked well, but both have that same spirit and not really any other aura other than "this dude can eff you up six ways to sunday."

Non-costumed icons must be able to evoke the spirit of the character or the essence of the source material minimum. Otherwise their ethnicity is whatever unless it inhibits an element of the story due to parentage or whatever other elements can dictate casting.