Earlier on Nintendo’s pre-E3 mini-direct, a move that will surprise very few, have announced that all remaining characters that have not gotten an announcement for Amiibos will indeed be getting their own. That includes the new additional DLC characters like Lucas, Roy, Ryu and any future unannounced add-on characters.
They have also shown off the Amiibo line up to what’s to come in September, to which you can check out below.