Complex sentence: On October 30th 2015, footage surfaced of a boss fight with a form of Mewtwo entitled "Dark Mewtwo", it is unknown if this means a form of Mewtwo will be playable in the future near future.
Split into simpler sentences: On October 30th 2015, footage surfaced of a boss fight with a form of Mewtwo entitled "Dark Mewtwo". It is unknown if this means a form of Mewtwo will be playable in the future near future.