Kingdom Hearts 4's recently revealed trailer and its thematic focus on memory and the nature of existence suggest potential directions for future Disney worlds, with Pixar's Coco and Soul, as well as Marvel's Black Panther, emerging as strong candidates. The trailer opens with a scene reminiscent of Coco's exploration of the Land of the Dead, a concept that resonates deeply with the Kingdom Hearts series' recurring emphasis on memory as a core component of the heart. Creator Tetsuya Nomura has indicated that Disney worlds in the game will "synergize with the overall main story progression with Sora."
Sora's current predicament, after his apparent fading at the end of Kingdom Hearts 3, places him in Quadratum, a world described as "similar to an afterworld." This mirrors the thematic territory of Coco, where characters risk being forgotten and fading from existence in the Land of the Dead. Donald Duck and Goofy's search for Sora, which reportedly takes them through the Underworld from Hercules and potentially into the Land of the Dead, further supports the idea that the game will delve into themes of life, death, and what lies between. Sora's appearance in the trailer, including skeleton-like face paint similar to that worn by Coco's protagonist Miguel, suggests he is in a state that bridges life and death.
Pixar's Soul presents another thematically aligned world. The film's exploration of souls preparing for life in the "Great Before" and its protagonist Joe Gardner's journey through an afterlife offers parallels to Sora's ambiguous status. The concept of souls gaining personality and passion, and what happens after death, could provide rich narrative avenues for Sora's adventures.
Beyond Pixar, fans have speculated about the inclusion of a Star Wars world, particularly after visual cues in the trailer suggested a forest reminiscent of Endor from Return of the Jedi. The Force, which connects all living beings and allows for post-death manifestation as Force ghosts, aligns well with Kingdom Hearts' metaphysical themes.
Additionally, Marvel's Black Panther has been proposed as a potential world, offering access to the Ancestral Plane. This Wakandan dimension serves as an afterlife where one can commune with departed ancestors. While Sora's direct entry might be culturally complex, the themes of connecting with lost family members would resonate strongly with the series' overarching narrative about the heart and memory. Such a world could provide compelling story fodder, exploring legacies and connections across generations.
Kingdom Hearts 4 is anticipated for release in late 2027, and the integration of these potential worlds could significantly shape the game's narrative tapestry. For now, the exact composition of worlds and their role in Sora's journey remains to be seen.