Big X360 BC update

[A Black Falcon]

I don't think that the Versus games really have stories, actually, beyond 'stuff happened and then somehow characters from different universes and periods of history met for a tournament with some secret guy behind it all that is the real hidden final boss' or whatever that almost every fighting game ever uses for its story... but yes, you are right that there are two kinds of fighting game plots. SNK almost always does the 'you have to look it up elsewhere' style. Namco does the 'tell you in game' style. Capcom... they often have simpler stories, I'd say, but there is usually some material only available outside of the game.

So what's going on? Do they have some hidden document on their main web sites explaining all this stuff or what?

It's probably something available only in Japanese or something... I don't know where those character stories and backstories you find in places like SNK game FAQs on Game FAQs come from either, really, though I'm sure that they are official...