Find the Mortal Kombat: Armageddon save and select to move it to your Wii's internal storage. (You may need to delete your old save from the "Wii" tab first). Using Homebrew for Easier Access
This is the most reliable method.
Even with a perfect save, you might encounter problems. Here is a quick fix guide: mortal kombat armageddon wii save file
Hosts multiple .bin files, including "Everything Unlocked" versions for different regions (USA/PAL). WiiSave (via Archive) Find the Mortal Kombat: Armageddon save and select
The elusive female Khameleon is a Wii-exclusive character, returning from the Nintendo 64 era. Endurance Mode: mortal kombat armageddon wii save file