With the introduction of Yamato, Danzou, Sai and the ANBU Root, not to mention the resurfacing of Orochimaru and Kabuto, it is highly unlikely that any of the protagonists will be coming into contact with any Jinchuuriki any time soon.

Best chances for a scene of one of the possible vessels, is if there are any Akatsuki moments, and you see the carrier of one of the beasts being carted away towards the next meeting grounds for the extraction process.