What I quoted on the last page was from a post made by Kelvin Loke on the Prime 1 facebook group and 2 comments also from him. He is pretty much the guy responsible to make the announcements on their group, even though I don´t really know what is his position in the company. So it´s official
Edit: by the way, since they are planning 5 characters first, which ones you guys think it will be?
Guts (maybe more than one version?), Griffith, Casca... Zodd?