The new Chip 'n Dale: Rescue Rangers film is built to capitalize on nostalgia, but it's supposed to be late 80s cartoon nostalgia primarily. With that in mind, many video game fans were surprised when the latest Chip 'n Dale: Rescue Rangers trailer featured not only a video game Easter egg, but one referencing a much more modern gaming franchise. Specifically, the Easter egg has prompted many video game fans to question exactly what Kingdom Hearts might have to do with Chip 'n Dale: Rescue Rangers.