Kingdom Hearts 4

This is the sequel to Kingdom Hearts 3, Kingdom Hearts III: Aqua's Journey, Kingdom Hearts: Crisis on 2 Universes and Kingdom Hearts: Rise of the Blot!. During the end of Kingdom Hearts: Crisis on 2 Universes, both the mainstream and Cartoon Network universes merge into one universe and a new enemy looms over the horizon.

Plot
After

Returning Worlds

 * Petropolis (T.U.F.F. Puppy)
 * Mouse America (An American Tale: Fievel Goes West)
 * Bikini Bottom (SpongeBob SqaurePants)
 * Man-Jungle (The Jungle Book 2)
 * Valley of Peace (Kung Fu Panda 2)
 * Great Valley (The Land Before Time franchise)
 * Alaskan Wilderness (Balto II: Wolf Quest)
 * Cartoon Network Universe (Cartoon Network shows)
 * Warner Bros. Studios (Looney Tunes/Tiny Toons/Animaniacs)
 * Jelliena (OC world)
 * NearBurg (CatDog)
 * Digital World (Digimon series)
 * World of Pokemon (Pokemon series)

New Worlds

 * Corana (Tangled)
 * Bending Nations (Avatar: The Last Airbender)
 * The Golden City (The Thief and The Cobbler)
 * Z World (Dragon Ball franchise)
 * Critter Woods (Hoodwinked)
 * Third Earth (Thundercats)
 * Ponyville (My Little Pony: Friendship is Magic)
 * Hillwood (Hey Arnold!)

Returning Characters

 * Sora
 * Kairi
 * Riku (now resurrected)
 * Donald
 * Goofy
 * Mickey
 * Inuyasha
 * Kagome
 * Miroku
 * Sango
 * Shippo
 * Kirara
 * Terra (now resurrected)
 * Aqua
 * Ven(tus)
 * Roxas
 * Namine
 * Axel
 * Xion
 * Phineas
 * Ferb
 * Isabella
 * Buford
 * Balgeet
 * Fireside Girls
 * Suki Higurashi
 * Candace and Jeremy
 * Pascal
 * Perry The Platypus

New Characters

 * Sadie The Cat

Returning Villains

 * Dr. Doofinshmrtz
 * Pete

New Villains

 * Tripod Zarak
 * Tidal Wave
 * Neo Darkside
 * Toon Patrol
 * Smarty
 * Greasy
 * Pshyco
 * Weezy
 * Stupid

Returning Summons

 * Dumbo
 * Bambi
 * Stitch
 * Genie
 * Toothless
 * Momo
 * Cosmo and Wanda w/Poof
 * Cosmo the Seedrian
 * Tinker Bell

New Summons

 * Danger Mouse
 * Snarf
 * Spike the Dragon
 * Rosalina
 * Pascal the Chameleon
 * Aleu
 * Wolfgang the Wolf (He's reformed since KH3)
 * Kaa the Snake
 * Buck the Weasel
 * Kevin the Bird