I don't doubt that most of Disneyland Forward will be clones, I just hope Disney does what they used to and make near clones. There's a Haunted Mansion at most Disney resorts, but they all have slightly different storylines, facades, etc. Big Thunder, Space Mountain, Tower of Terror also. Notably they didn't follow that with Galaxy’s Edge, which is why many WDW experts counsel their fans not to prioritize it when visiting Disneyland.
So I say build Avatar, but base it on the sequels. Build Arendelle without the coaster, instead with an attraction based on Frozen 3. If Tron Ares is successful, build a proper Tron dark ride in Tomorrowland. "Repetition with slight variation" instead of "copy and paste"