Will there be a sequel to batman: arkham city?

Right now, i am playing batman arkham city and i am very impressed and having alot of fun.

So i was wondering if there is any news of a sequel to this fantastic game; batman gotham city? batman arkham world? i dont know?

btw, remember how there was a secret room with info on batman arkham city in the warden's room in batman arkham asylum, have anyone found a secret room like that in batman arkham city yet?Will there be a sequel to batman: arkham city?
HOW ARE U PLAYING ARKAM CITY? IS THERE A DEMO I MISSED??

Oh cool is catwoman hell good at fighting?
well! official release date of batman: arkham city is 18 to 22 world wide.... for PS3 %26amp; Xbox 360 and Nov for PC(date not specified, yet)....Will there be a sequel to batman: arkham city?
I wouldn't doubt it. Seeing how as they have already gone to Arkham Asylum and Arkham City, I see a Gotham CIty game next. Probably not till the next generation of consoles though.
Most likely cause the makers said their planning on another batman.Will there be a sequel to batman: arkham city?
Yes because Batman kicks @ss!