That's what I mean, I just think it'll be redundant and it tosses story conclusion out the window if they just bring back all these boss characters tbh. If I had it my way Raidou would still be dead, him being back basically shits all over Kasumi's story since she basically avenged Hayate for no reason. She might as well have stayed back at the village
I still believe Raidou's return in the storyline, albeit as a cyborg, would still be a good thing. After all, this isn't just about Kasumi.
Ayane, if anyone, has just as good a reason - if not a better one - to go after Raidou the Rapist. She never had her chance to express her anger and sorrow to him for sullying her reputation among the Mugen Tenshin clan at birth simply for being a bastard child. This would not only give closure to Ayane's troubled past, but also a sense of satisfaction among fans of the character. She deserves that chance.