In addition to seemingly having largely the same powers as Venom himself, the Anti-Venom symbiote burns and destroys symbiotes like antibodies attacking a virus. The Anti-Venom symbiote is made to kill symbiotes and would ultimately overwhelm Venom himself.
In addition, Venom has come out on top as the victor in many battles with Symbiotes like Carnage, Hybrid, and Scream (all of which are arguably more powerful than he is).
Like most other Symbiotes, it is vulnerable to sound and fire. However Carnage doesn't mind heat as long as it's the one making it.
As Venom, Brock could exhibit super strength and immunity to the powers of other heroes like Ghost Rider's Penance Stare and Spidey's spider-sense. Venom is weak to fire and sonic energy, however.
Venom Eats Carnage - Fight Scene - Venom 2: Let There Be Carnage (2021) - YouTube.
The Venom symbiote has two major weaknesses - sound and fire. Loud noises cause the symbiote to writhe in pain. That's how Peter Parker originally freed himself of the symbiote.
Carnage is Venom's offspring. That is why Carnage often calls him “Pops” or the like. Like a previous poster stated Venom feels responsible for Carnage and Carnage hates his “dad”.
However, symbiotes have a growing resistance to sound and fire due to their evolution. Still, there has not been an invulnerable symbiote in mainstream continuity, because the newest breeds can be harmed by incredible amounts of sonic waves and heat. Symbiotes, like Krobaa, are also seemingly vulnerable to light.
The best chances are iron man, Thor, Scarlett witch, and black venom. Carnage has bitten through adamantium but not vibranium so enough kinetic blasts might work. Scarlett witch can just wipe him from existence. Thor has resisted symbiote a before and carnage has never been shown handling anything like his god blast.
Why is black Venom afraid of red Venom? It could be that in the universe of the Venom movies, this type of strong bond is already known among the symbiotes to result in stronger specimens. This could explain why Venom is so fearful of facing an enemy with a ruddy hue.
Just as Venom is a step beyond Spider-Man in terms of strength, Carnage surpasses Venom in terms of both power and potential for destruction. Carnage was created when Eddie Brock and psychopathic murderer Cletus Kasady were cellmates. When Eddie escaped and left a trace of his symbiote behind, it fused with Kasady.
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The creature's powers were amplified by Kasady's insanity and bloodthirst, turning him into Venom's most deadly foe. Stronger and faster than Venom, Carnage possesses a host of unique abilities, such as projectiles formed from his own body, as well as the ability to form various weapons from his hands.
Venom (Eddie Brock) In Comics Powers, Villains, History | Marvel.
Carnage. Perhaps the Marvel Universe's deadliest symbiote, Carnage debuted in AMAZING SPIDER-MAN (1963) #345. Shortly after spawning from Venom, the Carnage symbiote bonded to a serial killer named Cletus Kasady.
Blue Symbiote (1) (Mayhem): In the comics Mayhem was a biologically reengineered being as a human and symbiote hybrid. The character April gave herself the name Mayhem to operate under in her superhuman activities, but she died in an explosion while fighting Spider-Girl.
A version of himself who wanted to violently murder him, was fully capable of doing so and whom Peter barely managed to survive against in each encounter. Spider-Man's unusual fear of Venom was the product of the above factors working in tandem.
When a symbiote offspring of Eddie Brock, AKA Venom, merges with serial killer Cletus Kasady, the result is the nightmarish murdering menace known as Carnage! Reborn from an alien creature, he's a more psychotic and dangerous being that spawns a family of symbiotes.
Since his debut however, Venom has evolved into an antiheroic figure, slowly distancing himself from his initial goal to ruin Spider-Man's life to try and do good instead, even putting aside his differences with and helping Spider-Man at times.
Part of establishing this is portraying Venom himself as being as afraid of Carnage as audiences may be. When Eddie and Venom first see the symbiote-covered Kasady, Venom for some reason immediately turns tail and flees in fear.
Through his command, the Venom symbiote remembered this old days, it remembered its past history with him: That was The symbiote's reaction: It cried out of happiness, it remembered its time as a hero.
Symbiotes like Venom are immensely powerful, possessed of great strength and endurance, but they also have two extremely common weaknesses: fire and sound. Numerous foes have used these to best Venom and other symbiotes, and Peter Parker even originally repelled the symbiote suit by exposing it to a tolling bell.