Olympus Coliseum, a world that has appeared in every Kingdom Hearts game since the beginning in 2002, has run its course in the series and should not return in the newly announced Kingdom Hearts 4. The setting is overplayed with how many entries it's appeared in by now, and other Disney movies can do what the games have done with it better and more creatively. There is simply no need for it anymore in Kingdom Hearts going forward.
Kingdom Hearts 4 was part of a pair of announcements celebrating the series' 20th anniversary alongside Kingdom Hearts: Missing-Link. The trailer for the game seems to continue the storyline teased in Kingdom Hearts 3's secret movie, with Sora somehow appearing in modern-day Shibuya. This, combined with Kingdom Hearts 3 showing that Disney is finally letting Kingdom Hearts utilize worlds from Pixar studios, shows that the series is potentially being allowed to go all the way with its madcap ideas.
Related: Does Sora In Smash Mean More Kingdom Hearts Games Will Come To Switch?
With that in mind, there's really no need to continue repeating the same ideas that Kingdom Hearts has been falling back on since its inception in Kingdom Hearts 4, and that includes the worlds it has brought back in every entry. Olympus Coliseum has appeared more times than any other Kingdom Hearts world. The gamut has been run on stories to be told in its setting.
As fun as it is to hear Sean Astin reprise his interpretation of Tate Donovan's original performance, and Robert Costanzo doing his near-perfect Danny DeVito impression, the whole world of Hercules — at least for now — is completely played out in Kingdom Hearts and doesn't need to be in Kingdom Hearts 4.The well-reviewed Kingdom Hearts 3'sbrilliant opening
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