Here's a trailer for Eyes of Heaven, the new PS4/PS3 Jojo arena fighter. It's a little spoilery regarding the abilities of characters anime-only people haven't seen yet, but most of the trailer is focused on Jotaro and Kakyoin vs Young Joseph and Caesar and no plot points are spoiled besides Part 2.
Just based on this, I think the arenas look strangely undetailed and bland compared to ASB, but I guess that makes sense considering the fact that the stages are much more complicated geometrically (destructible components, jumping up to higher ledges, etc). I think the stage interaction and mobility look really cool though, and Joseph's model in this is so much better than in ASB.
Personally, I'm not as hyped as I would have been if this was an ASB2, but it still looks like fun and I'll still probably be getting it.