The video above—made by amateur filmmakers CC Megaproductions—isn't quite as gory as all that. But it does imagine what might happen if Nintendo's mascot found himself in the middle of the never-ending war between Rovio's avian and porcine species.
As you might think, the Angry Birds' mortal enemies don't really stand a chance against this heroic team-up. But you don't really see the Bad Piggies and Goombas strategizing to making the most out of this impromptu crossover. Either Bowser roasted up the Piggies for a light snack or more action awaits the Mario/Birds team. Let's see the answer in a follow-up, eh?