Saxton Hale Mode?

I think we can all agree the Cops and Robbers pve where you were forced to pick Lex into 5 Maeves was the most fun and refreshing pve. Along that vein, I would love to see a mode similar to Saxton Hale in TF2 with one extremely overpowered champion against 5 players, whether pve or pvp. Like having a Buck with no cooldowns at all and unlimited ult, 10/10 wouldmain