While "Venom: Let There Be Carnage" leans heavily into its action and buddy-comedy elements, it earns its place on a "Best Thriller Movies" list through its underlying sense of dread and escalating tension. The film hinges on the dangerous dynamic between Eddie Brock and Venom, their volatile symbiosis constantly threatened by internal conflict. More significantly, the introduction of Cletus Kasady and his monstrous symbiote, Carnage, injects a palpable sense of threat. Carnage's unpredictable violence, coupled with Woody Harrelson's unnerving portrayal of a psychopathic killer, creates a genuine feeling of suspense as the protagonists are hunted and pushed to their limits. The film effectively uses its symbiotic relationship to amplify the thriller aspects. The mental and physical struggle between Eddie and Venom, along with the gruesome transformations and powers both Venom and Carnage possess, are explored in a way that highlights the horrific potential within these beings. The constant threat of Carnage's indiscriminate destruction and the heroes' desperate attempts to contain him generate a sustained feeling of unease. "Venom: Let There Be Carnage" delivers a thrilling experience through its high-stakes conflict, amplified by the terrifying nature of its antagonist and the precarious bond holding its heroes together.