According to
this post, Disney's 1997 classic animated feature
Hercules is due for release Fall 2013 in the United Kingdom.
Which, surely, means a North American release date will shortly follow.
The post also named Robin Hood (1973) as a new Fall release.
Other Disney movies that have been given release dates outside of the Anglosphere and are TBA as of now are The Sword in the Stone and Oliver & Co.
