My vote is definitely Animation Courtyard. The design of the Star Wars Launch Bay building lends itself to the Monsters Incorporated building. The facade on the land overview, seems to fall in line with Disney Junior getting a make over with a city facade losing the outdated studio sound stage set up. It could very well be converted back into a restaurant since it was one at one time with the Soundstage Restaurant. It shares a kitchen with Brown Derby and the Cast cafeteria. It could become Harryhausen's. The courtyard also depicted seemed to match the existing Animation courtyard. The Star Wars Launch Bay goes back pretty far on its foot print. It also had a parking lot behind it (behind Sunset Ranch) and the Feature Animation building could potentially be razed or repurposed as the show building.
The real question is what becomes of Mermaid and Walt Disney Presents. It may be odd for WDP to exit out into Monstropolis, but even more odd to have a new mermaid show here. Could the plans for Mermaid be scrapped or just temporary? Based on the concept art, that is where a playground might be.
It doesn't make sense in the Muppet courtyard because they just did that work in 2017 for PizzeRizzo. The coaster building would be in the Cast parking lot, but would have to cross over the backstage road like Guardians does at Epcot. The Muppet theater also just got new seats and carpet. As far as other places, leading off behind Sunset Ranch would be odd. Replacing Coaster after so much work has been put into it the past 2 years wouldn't make sense. Tearing down Theater of the Stars in favor of this mini-land would be jarring off Sunset.
My other guess though is off of Echo Lake. Indy is a huge plot of land with Backlot Express in need of a retheme as well. That show still packs in crowds though.
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