There are likely 'Naruto is Venom' fanfictions out there. In them, the story might explore how Naruto copes with the alien entity inside him. The Venom symbiote in the Naruto universe could create some really unique scenarios. Maybe Naruto has to fight against the more violent tendencies of the symbiote while still using its power to protect his village. It could also introduce new villains or allies related to the symbiote's origin.
It could be about Naruto somehow ending up in the Venom universe and having to team up with Venom to fight a common enemy.
Maybe in this fanfiction, Orochimaru somehow gets hold of the Venom symbiote and tries to use it to create a powerful weapon. But the symbiote escapes and attaches itself to Naruto. Naruto then has to deal with the fact that the other villagers are scared of him because of his new, monstrous appearance. However, he shows them that he's still the same Naruto by using the symbiote's powers for good and saving a group of villagers from a group of rogue ninjas.
Well, it could be that Naruto is dealing with a big threat in his own world, like a new Akatsuki plot. And in the midst of all this, Venom arrives. But Naruto, being preoccupied with protecting his friends and the village from the Akatsuki, doesn't give Venom any attention. Venom, being a symbiote used to being a big deal, decides to prove its worth by challenging Naruto's enemies on its own, which creates a whole new dynamic in the story. Maybe it even forms an unexpected alliance with some of Naruto's foes who also feel neglected by Naruto's focus on the main threats.
In this fanfiction, Naruto as Venom could be on a mission in the Marvel universe that accidentally crosses paths with Black Widow. The symbiote gives Naruto enhanced strength and agility, which Black Widow quickly notices. At first, she thinks he's a threat. But Naruto, being Naruto, tries to explain his situation. They then discover that there's a link between the chakra in Naruto's world and the strange energy sources in the Marvel universe. So, they join forces to investigate this link further, which leads them to various adventures and battles against powerful foes.
In a 'Naruto is the Venom' fanfiction, it could be that Naruto gets the Venom symbiote in some strange way. The story might explore how he deals with the new powers and the voice in his head that Venom often has. It could also show how his friends react to this new, darker - looking Naruto. And there could be new enemies that are drawn to the power of the symbiote. It would be a really interesting mix of the Naruto universe's ninjutsu and the alien - like nature of Venom.
At first, Venom might be angry at Naruto for neglecting it. But as the story progresses, Naruto could realize his mistake. Maybe he sees Venom helping the villagers in some way, like protecting them from a minor threat. This could make Naruto approach Venom and try to make amends. They could then start to train together, with Naruto teaching Venom about chakra and Venom teaching Naruto about its unique abilities.
Well, Naruto could be initially shocked by Venom's appearance. Maybe Venom would see Naruto as a worthy host at first, thinking his chakra could enhance its powers. But Naruto, being Naruto, would likely try to reason with Venom and convince it to use its power for good. They could end up teaming up against some common enemies in the Naruto universe, like the Akatsuki.
Well, the fanfiction could start with Naruto being in a strange place, like a different dimension where he encounters Venom. Venom, seeing Naruto's potential, decides to form a bond with him. This bond would bring out new powers in Naruto. He could use Venom's abilities, like the webbing and enhanced physical strength, in combination with his ninja skills. For example, he could swing from building to building in Konoha using the webbing while also using his shadow clones to confuse enemies.
Well, first off, many fanfiction platforms have a tagging system. Check for tags related to Naruto and Venom on those sites. For example, on some platforms, if you search for 'Naruto' and then filter by 'crossover' and look for 'Venom' in the related tags, you might find what you're looking for. Also, you could join Naruto or Venom fan communities on social media and ask if anyone knows of any such fanfictions.
One idea could be that Naruto somehow gets infected with the Venom symbiote. He might initially struggle to control it, but then use its power to enhance his ninjutsu. For example, the symbiote could give him an extra boost in speed and strength during battles, like when he's facing tough opponents like Madara. It could also change his appearance, maybe adding some black markings similar to the Venom look, which could be a new form for him in the story.