The problem with Wicked in Epic is that it’s a European-inspired city of whimsical stores, featuring wizards and witches. It’s conceptually too similar to France next door. It would be near identical to the neighboring land, except emerald-colored and more extra.
The problem with LOTR in Epic is that it’s visually a Euro-centric travelogue with dragons. It has a bit of cross-over with HTTYD in that regard. It also has some (minor) medieval-esque similarities to Dark Universe. That said, there’s less redundant imagery with LOTR in Epic than Wicked would have.
The best spot for Wicked as a balance to the rest of a park is IoA, Studios, then Epic. Ideally, it would actually take over Toon Lagoon with Emerald City on outside (Dudley/Amphitheater) and Shiz inside. The irony is that, based on ease of rebuild… Toon is the best place for LOTR.
The best spot for LOTR for balance is actually Studios, IoA, then Epic. Perfect world, both would probably go into IoA.
Epic needs a sci-fi, futuristic land. It’s a gaping hole because three of its four lands are, literally, “old Western Europe.” As much as I don’t like the IP, Ready Player One would actually be a great add. What ever it is, it needs to be as visually distinct as Tomorrowland is from the rest of Magic Kingdom.