Well this one will include Persona 4's protagonist, Yu Narukam, from the Persona 4 Arena fighting game in addition to a bunch of other characters.
The game appears to be coming out in 2018.
Arc System Works is also behind the upcoming Dragon Ball FighterZ, although that fighting game is being developed by the Japanese studio's Guilty Gear team. They previously worked on two Persona fighting games for PlayStation 3, and published Under Night In-Birth Exe:Late in Japan.More news: Querrey sends Murray packing; Djokovic retires with elbow injury
We also know that BlazBlue Cross Tag Battle is a 2D fighting game, now in development internally by Arc System Works, and it will be released in 2018 for home consoles. And the developer promised "more to come!" with announcements in the months ahead. Who would you like to see added to the roster from each of the respective series? The studio also released a new trailer for the game's next playable character, the Six-Heroes' mightiest swordsman, Jubei.
Going off the first trailer, which you can see above, it looks like Cross Tag Battle is a 2v2 tag battle game where you choose characters from the different franchises.