Why? Oh, please. Please, Ms Broccoli and Mr Wilson, let him do it. The song would be fittingly immense and audacious for Bond's long-awaited comeback and he has a strapping contacts book of Bondish potential collaborator vocalists (Rihanna, Fergie, Minaj...). Also, rap is a criminally under-represented genre in the history of Bond tunes.
Song that sounds like it could be a Bond movie title:
Devil In A New Dress.