Mortal Kombat has changed a lot since its infamous beginnings in the 1990s, and Mortal Kombat 1 is set to continue that trend with a new feature. "Kameo Fighters" are the latest addition to the series, though it emulates tag-team options available in other fighting games. Though this might sound relatively mundane, the series' creator claims that it has a far bigger impact.
Source：https://www.cbr.com/mk1-ed-boon-says-kameo-fighters-total-gamechanger/
