If I buy Arkham City used will it have the DLC?

I was going to buy Batman Arkham City online with either Craigslist or ebay.But now I'm thinking if I buy it used.Will all the DLC be gone like Catwoman as a playable character.If I buy Arkham City used will it have the DLC?
Yes.If I buy Arkham City used will it have the DLC?
most likely yes. Most codes have been used already in Used Games.If I buy Arkham City used will it have the DLC?
NO dont listen to the people who say yes because a code comes with the game that gives you the dlc and it can only be used once so buy it new.
the code can be used for once you need to buy a new. From my own experience,I bought my SWTOR from http://www.igxe.com/SWTOR/cheap-SWTOR-Cr鈥?/a> and the code is totally new. hope helpful.