He's probably less of a Playstation All-Star than Big Daddy given he's pretty much nuetral when it comes to the 1st party companies, his first game was in the arcades, he had a platformer remake on the NES that got 2 sequels, I believe he was on the Sega Master System at one point, he has the 3D games that started on the Xbox, then the 360 got the sequel, he got a DS game sometime later and as far as the Playstation side goes the only exclusive he's been in is any of the DOA games that were exclusive to a PS consol which is maybe one or two of them, yeah there's the Sigma games but those are just really good remakes.
If they're willing to have another pure guest character like Big Daddy then by all means I'd welcome Hayabusa but I very much doubt it.
Also if he does make it I'd imagine his moveset would be very similar to Toro and how Emmit is going to play where he would have stance changes, in Hayabusa's case he'd have some of his weapons to switch from.
i think he would have the speed of Raiden but play more like Dante with the multi weapons SWORD,SCYTH and NUMCHUCKS
i would love it if this guy made it in and i hope he does
Ryu Hyabusa VS Genji or Goh from Shinobido
Playstation.......Makes Us Believe In The Make Believe.