Hugh Jackman has tweeted the official title for the third solo Wolverine film, directed by James Mangold:
http://comicbook.com/2016/10/05/wolverine-3-official-title-revealed-by-hugh-jackman/
And a poster:
http://comicbook.com/2016/10/05/wolverine-3-official-title-revealed-by-hugh-jackman/
And a poster: