Can someone post what the "Crash leak" is and why it is credible? I am not digging through pages of discussion.
As for whether the final character is Crash or Ryu Hayabusa, keep in mind no one was saying Terry up until Nintendo's slip up with the SNK copyright a week before the Nintendo Direct. It might very well be that the final character similarly blindsides us.
I am just going to wait and see. I would be surprised if Ryu Hayabusa did not happen at all though. Out of all of Tecmo-Koei's characters, he easily has the most legacy and appeal. My personal prediction is that we will probably see him, Geno, some sort of Namco-Bandai newcomer, and a Capcom newcomer before DLC wraps up. I also think we will most likely see some sort of Western character as a newcomer, and it will probably be one of Crash, Doomslayer, or Steve. I don't really have a dog in the race anymore.