MK1 will adhere to the "Pro Tour" rules which includes 3 out 5 the entire way through and the Winner of the previous match being able to change their Kameo if the losing player selects a new character. See more information at https://www.mortalkombat.com/en-us/esports/rules

Omni-Man and the Tremor kameo will NOT be legal for KnoxOut as they will have not been out two weeks by that point.