Stark finds himself in Ghostbusters New York, and wants to start his own ghost-busting business. Initially he wants to buy out the original 'Busters, but Venkman pisses him off, so he figures, why not beat them at their own game?
Which side has more experience/better experience with handling the supernatural, and similar otherworldly forces? (barring any Stark-focused Elseworlds or alternate universes, Earth-616 Stark only)