After months of teasing fans, new screenshots have surfaced from the upcoming Kantai Collection movie, which was announced during the 2nd Naval Review event last year. The new screenshots confirm that Mutsuki finally got her Kai Ni after the events of the first TV anime, along with Hiryu and Soryu. It also confirms the ships that were announced previously:

So Bucky Kai Ni finally got her black-topped uniform, as featured in the PC browser game, huh? The newly-revealed screenshots have revealed the following ships:

Destroyers:
Fubuki Kai Ni
Yuudachi Kai Ni (POI!)
Mutsuki Kai Ni
Shimakaze

Battleships:
Kongou Kai Ni
Hiei Kai Ni
Haruna Kai Ni
Kirishima Kai Ni
Nagato
Mutsu

Aircraft Carriers:
Akagi
Kaga
Shoukaku
Zuikaku
Hiryu Kai Ni
Soryu Kai Ni

Torpedo Cruisers:
Ooi
Kitakami

Light Cruisers:
Kuma
Tama
Ooyodo
Yuubari

Heavy Cruisers:
Choukai Kai Ni (not in the TV anime)
Furutaka Kai Ni (not in the TV anime)
Kako Kai Ni (Not in the TV anime)

It was also previously revealed that there will be another KanColle anime, which will also be a sequel to the previous TV anime, but it will be a different project from the movie. Both the movie and this sequel anime are being produced at the same time.

Source: Yaraon!