I hardly doubt it's going to be revealed that Nadine is actually not black and that was a disguise so I don't really see how more than a minute of footage is going to suddenly validate the casting.
I'm talking about your impression of how Marlene was tackled in TLOU compared to Nadine which was shown literally for less than a minute. We don't know how they will portray her. For all we know she will be a very strong character.
I mean, what's the issue here? Is it who's voicing her or how the character is represented in the game?