MSH Boss Codes in MAME

Does anyone know how to pick Doom/Thanos/Anita in Marvel Super Heroes in MAME without cheating? I’ve tried using the code on GameFAQs but it didn’t work. Has anyone had any luck using that code?

Nothing?

Worked first time for me.

http://img135.imageshack.us/img135/737/doomtk5.jpg

^Final Burn Alpha