Probably none of them because empire at was is now part of the discarded EU and future releases will include models from the movies made by JJ Abrams because Disney is going to push their brand of Star Wars.
Expect Wave IX to be no ships from anything but Episode VII and Rebels or from any other show that has been produced under Disney's name.
I wouldn't be so sure about that. One of the prequels failings was that nothing had the chance to become iconic, because every movie the array of vehicles had completely changed since so many (and some actualy good, especially on the Republic side) new ones were introduced with the old ones just discarded. It would probably not be wise of Disney to have that many new ships per movie again. Especially Scum is still going to draw from the EU for now.
Yeah but the prequels were not done under Disney's license. As I said before Disney sees X-wing as potential marketing for their other shows, and Disney won't be wrong because thanks to Wave 8 people have expressed interest into Rebels.
But Disney has a hand in all sorts of production and they will push "Disney" products on X-wing and for evidence you have to look no further than the Force Friday release of the latest core set. It is apparent that Disney sees X-wing as for ways of generating interest in Episode VII before it is out and will likely do the same for further shows. So Disney will push their products out before the prequels or any other EU ships.