I wonder how committed Marvel will be to this.
They killed Spiderman but then had his personality reassert itself over Doctor octopus' mind in his body.
Numerous other people have been Captain America before, so a black man being Cap doesn't bother me (I'm curious how much his placement in the film influenced that decision).
Loki was a woman at one point as well.
All these get un-done eventually, Thor is still around he's just wielding a different weapon so the stage is still open for him to reclaim the hammer. I have no idea what happens to Rogers to make Falcon take over, but he's died before so whatever it is he's not going to be permanently out of the picture. However if it gets more diversity into the universe, even if these characters don't keep their new roles forever, would still be good. I'd imagine introducing new comic books around new characters is a significant gamble (Wolverine was first introduced in a hulk comic after all), so putting the comic book equivalent of a "backdoor pilot" in is par for the course. If the characters prove popular enough they could get their own comics which would prove even more that Marvel knows how to slap DC around given they cancelled loads of their female comic lines when they rebooted their universe.
Is this happening in the regular or ultimate marvel universe anyway?