Although Carnage and Cletus Kasady met a grim fate in Venom: Let There Be Carnage, there's a chance both of them will return in a future MCU movie. Marvel's symbiotes are closely tied to Spider-Man, but since Sony and Disney created different universes to set their Marvel franchises in, some changes needed to be made. So far, the centerpiece of Sony's Spider-Man Universe has been Tom Hardy's Eddie Brock, who has already met three of the most dangerous symbiotes ever and has befriended one of them, all without Spider-Man's influence. Still, an eventual confrontation between Spider-Man and the symbiotes has not been set aside.
Venom: Let There Be Carnage made the bold decision to kill off Carnage and Cletus Kasady, whose eventual battle against Spider-Man was still technically on the table. As one of the most vicious villains in Spider-Man's rogues' gallery, Carnage promised to be an exciting threat for Tom Holland's Spider-Man should they ever cross paths. However, Venom made sure the audience knew that the scarlet symbiote was completely neutralized by eating Carnage and chomping down on Cletus Kasady's head.
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There's no doubt Cletus Kasady and Carnage's gruesome deaths in Venom: Let There Be Carnage were real. However, the very nature of the symbiotes leaves the door open for a potential return. As unlikely as it sounds, Carnage and Cletus Kasady not only can still return but also join Tom Holland's Spider-Man in the MCU. Here's how.
Venom defeated Carnage by ingesting him, but this doesn't mean Carnage has been completely destroyed. Given that Carnage was born from a single drop of Eddie Brock's blood, it can be deduced that it only takes the tiniest
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