I know but they announced a remake without the mario bros a while back.
Terraria Community Forums
Derpinator-9000🪓
Awordley
Yep, it's right here, I hope it's still a thing they're working on. http://www.terrariaonline.com/threads/terraria-toys-for-tots-stream-xmas-update-spoilers.124780/
Cenx
You will have to wait and see. 