Apparently Gaara is also going to be in the 3rd Shippuden movie.

Gaara returns !

Suna & Konoha ally's status breakdown !

Hokage and Kazekage in the verge of clashing. In August !
Introduced in the movie, the 5 Great Countries's link of friendship are on the verge of collapsing ?!
What are Gaara's motivations ?