User blog comment:Jojo-a-gogo/Jolyne and Hermes are confirmed in All Star Battle/@comment-1739368-20121029013841

I'm sure each character is definitely going to get 1-2 or alternate costumes.

What I'm really suprised by is the fact that they using hermes. She's definitely a main protagonist in part 6, but her stand isn't really used for fighting. A more appropriate person to have used is Foo fighters.