Le film est au stade de la preparation je crois encore....
Citation:
8-25-06 (1:36AM EDT)---- Shakugan no Shana OAV And Movie Update
Yashichiro Takahashi´s 3 million copy selling Shakugan no Shana 3 Light Novel will be adapted to an OVA special to go on sale December 8th. The storyline is said to continue that told in the TV series, picking up immediately after the 13th episode. Additionally, a Shana anime film has been given a release sometime in 2007.
Source : http://www.animenewsservice.com/