As much as I would like it to happen, Frankie said no about it in a rude fashion.
Sorry.
We’ve got a topic here discussing this already 
https://www.halowaypoint.com/en-us/forums/82841d11296340069f6b8e3ccbfcee11/topics/halo-3-anniversary-is-officially-not-happening/5104fc1a-64b4-4018-8e67-01545391733f/posts