The first image, as well as details, have been listed on Amazon for the upcoming Batman Arkham Knight: Batman 1/4 Scale Action Figure. If you are interested, you can preorder the latest product from NECA with this link via the retailer’s website. Take a look at the 1/4 scale figurine below this paragraph. 
The action figurine measures at an impressive 18 inches in height with more than 25 points of articulation. You can also use the Batarang, Grapnel Gun and interchangeable hands when customizing its looks. Last but not least, the cape of the super hero is made of soft fabric while the packaging includes a window box.
Amazon is listing an October release for the NECA Batman Arkham Knight: Batman 1/4 Scale Action Figure. So it looks like the figurine won’t be available in time for the launch of the videogame.
Batman Arkham Knight is coming out in the summer on the 23rd of June. It will be mainly advertised for the PlayStation 4 with timed-exclusive DLC even though the sequel is also coming to the PC and Xbox One systems at the same time. The game will be the last in the series as Batman will be roaming the open-world streets of Gotham City.