Entertainment TV Read Time : 1 Minutes New Promo Trailer For ‘The Last Airbender: Legend of Korra’ Debuts February 25, 2012February 25, 2012 YBMW Staff 1 Check out this exclusive first look at the new promo which shows Korra in action – as she begins to hone her airbending skills under the tutelage of Aang’s son, Tenzin.