No. Aside from the second season already completing and Amon not returning, the biggest reason for Amon not to return is that Amon was the secret identity of Noatak. The tension and suspense of the hidden identity would be gone if he returned as Amon.
The second season aired on September 13, 2013.
The title of Legend of Korra season 3 is called "Change".The Legend of Korra will remain focused on constant elements of human experience.
Legend of korra season 3 is going to be called "Change".
No, Book 4: Balance is the last season of The Legend of Korra.
Yes, Mako and Korra will be together in Season 2.
Season 4 of The Legend of Korra is called Book 4: Balance, and the season premiere is on October 3, 2014.
Season 1 of The Legend of Korra was called Book 1: Air and the season premiere was on April 14, 2012.
The third season of The Legend of Korra (Book Three: Change) premieres on June 27, 2014.
Season 2 of The Legend of Korra was called Book 2: Spirits and the release date was September 13, 2013.
The season finale of the Legend of Korra, Book Three: Change, premiered on August 22, 2014.
The season finale of the Legend of Korra, Book One: Air, premiered on June 23, 2012.
The season finale of the Legend of Korra, Book Two: Spirits, premiered on November 22, 2013.