Both alien symbiotes bonded with their human hosts, Venom and Carnage, are intense arch rivals. So when mercenary-for-hire, Deadpool, is hired to break Carnage out from his high-security holding facility, Venom is first on the scene to stop him! But Venom isn't the only one whose attention is drawn to the break-out -- The X-Men's Wolverine and Magneto also show up to tangle with the psychopathic symbiote. Pushing action into overdrive, the four face-off in a battle the likes of which has never been seen!