According to Mangaoh, the second movie of Mahou Shoujo Lyrical Nanoha
will be announced at Lyrlcal Party IV to be held on November 23rd. The second Nanoha game will also be released and the new characters of ViVid
will join the game.
According to MyCom Journal, "Mahou Shoujo Lyrical Nanoha The Movie 2nd A's" will be premiered in 2012.
Source: MyCom Journal