Toy Story 4 was a movie that, before it came out, a lot of people were wondering why it was even happening, but after it did, most of those people were satisfied with the move they got. Having said that, it took a while for Toy Story 4 to make it to theaters as the movie went through some pretty significant changes, even by Pixar standards.
Article source: https://www.cinemablend.com/news/2481636/toy-story-4-almost-had-a-very-different-opening