Batman Arkham City or Deus Ex Human Revolution?

Which game of the two should I get for my Ps3? I Love being stealthy in video games but I don't own any games dedicated to stealth, just games with stealths parts in them (uncharted 1-3 etc).



I heard on deus ex, you can play the entire game stealth like and that seems like my type of game. But I heard the A.I isn't the best and it can get annoying.



Batman has been getting Nothing but amazing reviews and great feedback and it looks amazing. Not sure if theres much stealth in this pick, so could someone please explain how stealth is in this game (sneaking up on enemies, using stealth to avoid etc). I also HEARD (not saying this is true), that it is a bit like Infamous 2, which I though was great.



Also

Which game has more replayability?

Better story (havn't played the previous games and not the biggest batman fanatic out there?)

Do I need to play Arkham Asylum to understand AC's story (I know Human Rev is a prequel).



Thanks for reading and answering.Batman Arkham City or Deus Ex Human Revolution?
BothBatman Arkham City or Deus Ex Human Revolution?
If u r looking for replayability I got through the main campaign on Arkham city and it said I was only through 35% of the content the rest are side missions or side campaigns. I don't even really know batman games and that one was great. No need to play asylum cuz I didn't and I got the storyline well. And you can be stealth or just go and attack the peopleBatman Arkham City or Deus Ex Human Revolution?
Deus Ex. My boyfriend loves video games and loved Arkham City, however, he only played AA for a little before returning it. He played Deus Ex non-stop.