Board Thread:General Discussion/@comment-33556795-20180312184123/@comment-34531605-20180315025758

Gogeto Blue wrote: Buu saga wouldn't make sense because Buu defeated him. Hybrid Saiyans for Broly because hybrid saiyans beat him in the second movie, resurrected warriors for goku because maijin buu and maijin vegeta have "beaten" him and are both resurrected warriors.

Could be though we don't know. Buu Saga makes complete sense as that is the saga that Ultimate Gohan is from.