Here it is. It's actually been available for a while.
http://img1.wikia.nocookie.net/__cb20140612034301/zelda/images/2/25/Midna_%28Hyrule_Warriors%29.png
http://img1.wikia.nocookie.net/__cb20140612034301/zelda/images/2/25/Midna_%28Hyrule_Warriors%29.png
I had always said I was getting the game for sure as long as Midna was playable, and she looks far more awesome than I expected!
I'll be playing as Midna in Hyrule Warriors nonstop up until Smash comes out!
Did they update the official site yet? I want dat artwork now.