While showing off merchandise for the 14th movie starring Victini, once again, the publishers repeated the trick they used many times over during Pokemon Gen 4...place new Pokemon A and B in their merch posters to pique our interest. None of them have turned out to be brand-new Pokemon though, they've all been different Formes (ugh) of older, known Pokemon (Skymin, Origin Giratina, Spiky-Ear Pichu), but who knows.
