^I think it'll be a good game. Definitely worth buying. Just how good it'll be remains to be seen though.

I don't think there will be side characters. Instead they seem to be focussing on the heros and villains and making them unique and fun characters to use.

There will be a story and I hope it's good in the sense that I hope the characters remain true to their character in the game. The script is supposedly twice as long as Crisis Core's and the premise sounds like it has some potential, if done right.