However, the choice for Carnage’s next host is a bit less random than that, as the psychotic symbiote himself actually ... the villainous equivalent of if Deadpool met the Punisher - and I ...

In the comics, the Carnage symbiote is an offspring of Venom that bonds to Kasady in prison. In the scene, Brock visits Kasady in prison, who vows "there's gonna be carnage" when he escapes.