When Mortal Kombat 1 was announced, fans were intrigued by the reboots of key characters, especially those considered villains. Baraka, for example, became a tragic figure due to the Tarkat plague, while Mileena wasn't a Kitana clone. She was transformed into a princess that Outworld wanted hidden due to her infection, too.
Source:https://www.cbr.com/mk1-reptile-ending-explained/