DVDActive shares the details and artwork for the upcoming single-disc and double-disc releases of Batman: Gotham Knight in which six interlocking stories reveal how Bruce Wayne became Batman. The film will be released to coincide with the theatrical release of The Dark Knight, on the 8th July. The full details are yet to be revealed, although the website confirms that the 2-disc release will include an audio commentary, a documentary, featurettes, and more. A Blu-ray release will also be available carrying over all of the 2-disc features.
UPDATE: Online trailer and more information on this release can be found here.