The Maelstron ride at Epcot was replaced with Frozen Ever After.
The fact is that a decision to replace the Country Bears with Toy Story certainly fits the pattern.
The Universe of Energy was closed to make way for a Guardians of the Galaxy roller coaster.
While this is still only a rumor at this point as Disney has yet to confirm anything, it certainly has a ring of truth, which is part of why the rumor has so many fans nervous.