I want to say 95 or higher. Batman had a lot of high scores, but places like gamestop and some others gave it a 9! At least I think they did, I added the reviews here so I should remember. So if critics like it as much as batman, there are still going to be the few who bring the score down a bit.
Yup, Batmans metacritic is at 98 right now, but they've only added 10 critic scores, it'll average out soon enough :P probably go down to around 95