Disneys acquisition of 21st Century Fox in 2019 opened doors for Fox properties to potentially make their way into Disneys content ecosystem. For Kingdom Hearts 4, this acquisition creates an intriguing new realm of possibilities that fans may not have considered. Since Kingdom Hearts 3 debuted the same year Disney acquired Fox, its only now, with Kingdom Hearts 4, that Square Enix has an opportunity to explore fresh territory by integrating Fox properties into the franchises unique Disney-inspired worlds.