This latest scene features Avatar Korra, obviously staring or facing something in an angry manner. This suggests that there will be more interesting action for us fans to look forward too!
Additionally, Bryan points out Korra's new Book 2 shirt from his post:
Korra, upset with someone off-screen, yet pleased with her new Book 2 shirt.~ Bryan Konietzko Tumblr (April 5, 2013) 7:22 PM
Glad to see that the creator has a good sense of humour! We'll be updating our website frequently to keep you covered with any future Book 2 news.