The videos are intentionally poor quality and both feature the same chanting heard on the Dark Knight Rises movie website. The first of the two videos shows several news casts from Gotham’s news station. A URL for the film’s viral Facebook page also briefly flashes on the screen:
The second and longer video shows an extended scene featuring multiple jumpsuit-clad prisoners and the same ominous chanting sound:
Both videos were posted under the name “TheFireRises” on Youtube, which was also the name of the Twitter account which revealed the first photo of Bane. It seems best to keep an eye on these accounts — who knows what they’ll release in the future!