A few months ago, in a still of Prim and Buttercup that was released in a magazine, we noticed that Buttercup has had a major transformation. Recently in an interview, Francis Lawrence talked about this big change and it looks like Suzanne Collins might be the reason.
io9: One of the first big changes I noticed from Hunger Games to Catching Fire was that you recast the cat. Why did you recast the cat?
Francis Lawrence: You know what that was actually, and I was happy to do it, that was a request from Nina the producer and Suzanne the author. That they thought the cat from the first movie was not the way he was described in the book. And that had annoyed a bunch of fans, and things like that. But it also just kind of bothered them that Buttercup was not a black and white cat. So I was happy to get one that felt like the Buttercup of the book.
It’s funny because now people are split. Some people think we should have continued on with what happened in the first movie. And some people are really happy. You never win.