Gravity Falls play set with Dipper and Mabel
Ariel (toy box character/human form when on land and mermaid form if they ever introduce underwater mechanics)
Pocahontas (toy box character)
The Beast (toy box character)
Aladdin play set with Aladdin and Jasmine. Genie sold separately.
Mulan (toy box character)
Hercules (toy box character)
(I know this one will never happen since Disney is scared of the soccer moms...but still) The Hunchback of Notre Dame playset withe Quasimodo and Phoebus. Esmeralda sold separately.
WALL-E play set with WALL-E and EVE
The Muppets play set with Kermit and Miss Piggy. Fozzie and Animal sold separately.