Use the or "Mortal Kombat Project" screenpack (which mimics MK9's UI). Then, populate it with these two factions:

For years, the MUGEN library was flooded with weak, unbalanced "chibi" characters or broken joke fighters. However, a dedicated sect of creators has been quietly building something incredible:

It makes the concept of Mortal Kombat better. It takes the gritty aesthetics, the gore, and the iconic characters of MK and places them inside a fighting system that rewards adaptive defense (Combo Breakers) and expressive offense (Ultra Combos).