The Pacific DLC is aimed to be released on 4th August. The price tag is not fixed yet but it's looking to be around $10.
Running with Rifles have announced their second DLC. If you missed the first one it's called "Pacific" and it covers the pacific in WW2. The second DLC is called Edelweiss. It's WW2 set on the western front late in the war. Focus is on Allied paratroopers fightin their way across europe, most notably is Normandy, Market Garden and Battle of the Bulge. No release date yet. The base game is 70% off and the Pacific DLC is 50% off