User blog comment:Llama919/Anime: season 2 footage at the end of Shingeki no Kyojin part II: Wings of Freedom/@comment-83.10.175.53-20151206171617

Here is this extra scene from japanese cinema:

http://fuku-shuu.tumblr.com/post/130264221086/the-extra-scene-added-to-the-credits-of-the-2nd