Joystiq also posted details about the September issue of Game Informer that, judging by the cover which you can see below, will give us even more details about Arkham City.
The Source goes on to give a teaser of the gameplay experience:
Players are introduced to a brand new story that bring together an ensemble cast of characters and villains from the Batman universe, as well as enhanced gameplay features that build upon the ultra-realistic Dark Knight experience that fans enjoyed with BATMAN: ARKHAM ASYLUM.The official website is up as well where you can watch the teaser trailer, register for updates, sign up for a contest, and pre-order. Or you could watch the teaser below, and pre-order from us
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