Invincible and The Walking Dead star Steven Yeun has reportedly joined the upcoming animated Aang Avatar movie.

No word yet on who Yeun will be playing in Aang ... we all find ourselves in, where pop culture is playing host to two completely separate, successful running franchises named Avatar.

Paramount didn't preview any footage of the "Avatar" movie but unveiled the official title: "The Legend of Aang: The Last ...

Then everything changed when a new Avatar: The Last Airbender ... will continue the story of all our favorite characters from the original series. The Gaang, a.k.a Aang, Katara, Sokka, Zuko ...