This story will feature almost every world in the Kingdom Hearts series, plus notable other films.
Notable new worlds include:
Corona from Tangled.
Game Central from Wreck-It Ralph.
Avalon from Gargoyles.
Jamestown from Pocahontas.
Danville from Phineas and Ferb.
Nottingham from Robin Hood.
Madyha Pradesh from The Jungle Book
Camelot from The Sword in the Stone.
Among others.
Possibilites also include worlds based on Frozen, Toy Story, and several Disney channel animated series including a crossover of Kim Possible and American Dragon.