Infinite Fusion takes the DNA splicer item from Black ... combine with Kyurem to create one of its forms. Perhaps the Pokemon Company will continue to explore fusions in future games.

Here's the full Fusion requirements and cost for both Black and White Kyurem: Black Kyurem - One Zekrmon, one Kyurem (must know Glaciate for Freeze Shock Adventure Effect), 1,000 Volt Fusion ...

Pokémon Go has finally introduced Kyurem’s fusion forms, Black Kyurem and White Kyurem. That means you need to combine multiple Legendary Pokémon together to get these new powerhouses.