New York: Black Sun

Aang, a 20 year old male who bears the weight of the world on his shoulders. Fire Lord Ozai wants to put the world under one rule, his rule. He decides to start with the city New York. How will the Avengers react? Will Aang mend his broken heart ( reasons will be in the story)? Follow him and the others through the collision of two worlds!
(I do not own ALTA, the plot, nor the MCU. However, I will actively pursue if my work is found on other sights without my permission.)