The BG is original, but a bit dull. Tweak and edit things like the clouds, and the trees.
The Fatality itself is lame and redundant. Base and emphasize something off MK4, MK:DA, and MK:D.
The texts go inside the lifebar. Add some WINS. Seeing as how the Fatality is barely being executed, it shouldnt say Fatality...yet. The blood being spewed needs more editing and don't exaggerate it. Sub-Zero looks like nothing happened. Look at these expressions:
See the difference? Keep trying.