Had to stop when you wrote point 2 because you lied as far as my memory and knowledge Nathan hale was the first ever ps3 exclusive since it cane out the very same day as the ps3 console itself
It was also one of the worst of the starting lineup. Resistence only really got good when Resistence 2 came out. And considering Ninja Theory's ridiculously small budget it's no surprise they can't afford to make Heavenly Sword 2 yet. Do the math.
I personally don't mind Sony or Superbot putting in future characters. Or recent. Kat is a great represenative for the Vita and she's another kick **bleep** female this game really needed. Emmet, although not as well known, still represents an important series and brings in a lot of varitey in his fighting style. I can't wait to play both.
Sony utilizing recent or future characters isn't bad as long as they represent Playstation's history. Hell, I wouldn't mind seeing the main character from the Puppeteer or the main character from Teraway in a sequel.
That said, Sony has a lot of IP's from the PSX era they can use like Jumping Flash's Robbit, LoD's Dart, etc. Plus third party developers have given permission to use characters like Tomba. All three of these I would love to see included as well. Maybe add Cloud for a FF rep and you have a **bleep** good PS1 expansion pack I'd glady purchase.