Let's see, off the top of my head according to spoilers from a while ago:
The archer guy (Death Glacial) and the scarred guy are going to be Empire minis (and part of a Team).
The topless guy in the hood is Death Crimson (I think, the name is on the art anyway), who will be a Samael model.
The blue skinned woman and the Aztec-y guy were both used in Arcana Exxet, no plans to my knowledge about minis for them.
The guy with the face mask is rumoured to be a Church model, someday. Don't know anything more about him.
and the last guy is... No clue. XD
Oh and the first guy, I'm pretty sure that he is/was used in the Guilty Gods card game, I haven't played Ark of Sinners yet though (need to get around to that sometime) so can't say about that.and here's a URL to the other Anima forum where I got the spoilers on the ones I did know about. It has some actual information about them.