Downloadable Horror Villains
The Freddy Krueger DLC will put the nightmare-inducing serial killer into players' hands and he's got some pretty nifty Fatality moves. If summoning a furnace to burn your enemies isn't hardcore enough for you, I hope our paths never cross.
Implications - Pop culture crossovers are an effective marketing strategy because they broaden exposure of the franchises involved to different audiences while simultaneously reinvigorating consumer interest in the original products. A similar result can be achieved when corporations collaborate with other high-profile companies.