Eddie Brock's dislike of Peter Parker before he bonded with the symbiote translates into a deep love-hate relationship with Spider-Man, as Venom simultaneously wants to kill Spider-Man, but also re-bond with him.
So the Symbiote isn't evil, it just hasn't had very good hosts, and to top it all off, it is obsessed with Spiderman, because it believes he is its perfect host.
Venom originally chose Peter but Peter rejected the symbiotic after learning that it was evil, Venom, now angry, found Eddie Brock, a journalist that lost his job and blames Spider-Man for it, their shared hatred of Spider-Man makes them both agree, that he needs to die. I hope this was helpful this is my first answer!
The Venom symbiote bonds with a host and can make them stronger, improving Peter's spider-powers in nearly every way. It does take a toll on its host, however, as it makes them far more aggressive and corrupts them as it gradually takes control.
The symbiote was happy while attached to Peter Parker, feeding off of his positive emotions, leaving only the negative thoughts left. When Peter discovered it was the suit making him change he rejected the suit.
Discovering a machine he thought was a fabric creator, a black orb emerges from the machine, immediately covering Peter Parker in a strange sludge-like substance. To his surprise, the sludge began to form itself into a new suit, creating the Symbiote Suit that is now known and loved.
Because Kasady is a deranged serial killer, they share a sadistic personality and their bond is stronger than that between Venom and Eddie, and Carnage increases Kasady's violent tendencies. Carnage, then, is more powerful, violent, and thus deadly than Venom, and became his archenemy in the comics.
Though this dual nature of the Venom character has led to an at-times confusing ride, with a little context, this new revelation hints that the roots of his villainous obsession with Peter Parker, the original host of the symbiote who rejected him, and the man who ended his journalism career by exposing his pattern of ...
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).
Feeling shunned, the symbiote bonds with Eddie Brock, as the pair become Venom through their shared hatred of both Peter Parker and Spider-Man. In simple terms, Venom hates Spider-man because Peter Parker rejects the Symbiote.
Without a doubt, "The Nativity" arc (by Mike Costa and Mark Bagley) is among Venom's most unusual stories, featuring the alien symbiote becoming "pregnant" (while Eddie Brock was his host) and giving birth to the Sleeper symbiote.
The black suit alien symbiote that had been bonded to Spider-Man was by that point forcibly rejected by him. Combining with the nearby Brock, the symbiote shared his hatred for Spider-Man, as well as mentally sharing with Brock its former host's secret identity of Peter Parker.
Does Venom ever forgive Spider-Man? As a result, when Agent Venom returned to Earth and once again encountered Spider-Man, it had no memory of him, and thus no reason to hate him. The symbiote even apologized to Spider-Man and expressed a desire to one day earn his forgiveness.
Mary Jane Watson is Spider-Man's most widely known love interest and is played by Kirsten Dunst in the Sam Raimi trilogy. The character has been neighbors with Peter Parker (played by Tobey Maguire) for years, but the two rarely speak at first. Peter never makes it easy for Mary Jane, especially after going steady.
Venom Eats Carnage - Fight Scene - Venom 2: Let There Be Carnage (2021) - YouTube.
The 2003 story "The Hunger" introduced new elements to Brock's origin, revealing that Brock had cancer before joining with the symbiote, and that it chose to bond with Brock not only for his hatred towards Spider-Man, but also because the cancer causes the release of adrenaline, which feeds the symbiote.
As a result, the very visible red suit made Peter Parker's life as the superhero very difficult. So, for a quick fix, he turned the suit inside out, resulting in the appearance of a black Spider-Man suit. Peter uses this suit to capture Electro and Sandman as he otherwise had no other viable suit to wear.
The Venom symbiote didn't make anybody evil and suffers from a lot of misconceptions. And while it's a popular interpretation, it's entirely wrong. Spider-man TAS has that plot-line and later adaptations follow it, but the 616 comics its very much the opposite.
Not only that, but the costume seemed to give him new strength and abilities. He no longer needed his web canisters, because the suit produced his webbing organically. He was stronger, faster, and much more aggressive.
Venom became one of Spider-Man's toughest and merciless foes of all time, often bringing him close to death. Venom's become somewhat of an anti-hero, wrestling with his morals and even fighting for good alongside Spider-Man.
Symbiotes like Venom are immensely powerful, possessed of great strength and endurance, but they also have two extremely common weaknesses: fire and sound.
While it was generally known that the symbiote was altering Peter Parker's moods and aggression, it was later revealed to Spider-Man that his own anger and despair had affected the symbiote as well.