Lame I know. Does anybody have a photo of a Mega Man 2 The Power Fighters arcade machine? They're rare as all hell, even KLOV lists zero owners of complete units.
Since it was a sequel to a pretty obscure game to begin with there is a chance that Capcom might have only sold it as a conversion.
A billiards hall by me had the game when I was young. To further A. Snow's point, I think it was in a Marvel Superheroes cab...