Arc System Works just announced BlazBlue Cross Tag Battle.
The latest BlazBlue game will be BlazBlue Cross Tag Battle from Arc System Works. It will release in 2018. They just announced it at EVO and posted a teaser trailer that you can watch below:
Cross Tag Battle will have the likes of Yu from P4U, Hyde from Under Night In-Birth, Ruby Rose from RWBY, and more. The official website will be live here when it goes up.