Back in March, Janet Varney, voice of Korra herself Tweeted that she suspected that Legend of Korra would be around"mid-April." It didn't quite make that time frame, but Nickelodeon is evidently gearing up for Book 2 with new preview footage posted on IGN.
Back at last summer's Comic Con, co-creators Michael Dante DiMartino and Bryan Konietzko machine gunned some teaser facts about what's to come
Team Avatar will travel to the Southern Water Tribe.
Concept art for the Southern Air Temple was also shown
Book Two, called Spirits will take place six months after the events of book one
It will explore and even visit the Spirit World with a look at how the "Avatar" lineage began
Korra was previewed traveling through a storm to find a glowing iceberg very reminiscent to the iceberg Aang was trapped in.
New costumes were also showcased
Asami is now the head of her dad's Future Industries
Tenzin's brother Bumi has a larger role
His sister Kya is also a new regular
Korra's expanded family will be introduced. The creators mentioned that Korra was inspired by MMA fighter Gina Carano, which explains her build.
------ Scott Green is editor and reporter for anime and manga at geek entertainment site Ain't It Cool News. Follow him on Twitter at @aicnanime.