I think it would be fun and this map def would help. Like a near future where the next Avatar is trying to bring balance back to the world in a modern/cyber punk type setting. I totally want to run a game set in something I read off this sub. So there is a PBtA game called Legend of the Elements that is 'heavily inspired' by Avatar. The Minecraft server IP is, more info here. These avatar themed subreddits are fully or partially run by moderators of /r/TheLastAirbender They build towards LoK and answer some questions left at the end of ATLA. There are several main comics which take place shortly after ATLA.
Will create animated film and other projects Avatar Studios formed, lead by Mike & Bryan.