Frozen 2's animators on Easter eggs and flummoxing Disney licensing

When making Frozen 2, Disney animators seem to have worked themselves into kind of a licensing corner. After all: How do you make a cuddly kids collectible based on a mythic horse made entirely of water? Frozen 2's heads of animation Becky Breese and Tony Smead aren’t really sure, but then again—that’s not their problem. That’s licensing’s burden to bear.