These items have been found in the game files, possibly for future updates....
Toy Story: Bullseye
Cars: Lightning McQueen, Mater, Flo
Tangled: Hook Hand, Stabbington Brothers
Jungle Book: Shere Khan
Other: Maleficent, Dragon Maleficent, Merlin, Duffy the Bear, ShellieMay
Prince Charming's Regal Carrousel, Tangled Lantern Boat Ride, Agrabah Bazaar, Cave of Wonders, Sultan's Palace, Festival of the Lion King, Tree of Life, The Circle of Life, Pride Rock, Enchanted Tiki Room, Tortuga Tavern, Pirates of the Caribbean, Treasures of the Seven Seas, Legend of Jack Sparrow, Black Pearl, Pirates Beach,
Luigi's Flying Tires, Mater's Junkyard Jamboree, Radiator Springs Racers, Captain Hook's Pirate Ship, Sleeping Beauty's Castle, Guest House, Big Thunder Mountain Railroad, The Haunted Mansion, Hollywood Tower of Terror, Kali River Rapids, Sailing Ship Columbia, Rex's Race Track, Jungle Cruise, Splash Mountain, Monsters, Inc. Ride & Go Seek!
Defeat Davy Jones, Defeat Jafar, Defeat Scar, Defeat Maleficent