It all depends on how much Universal wants to save for a possible fourth theme park. In this park, we might have....
- Super Nintendo World (Mushroom Kingdom with expansions, possibly Zelda or Pokémon)
- Jurassic World
- DreamWorks
- Fantastic Beasts
There might not be enough room/budget for a fifth major land, even if Universal wants to do it. They could also save it for an expansion.
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Am I the only one who thinks this park will be more like USJ than Tokyo Disney Sea? Sure, TDS’s theming will be more immersive, but USJ is probably the best Universal park as a whole.