While Venom famously bonded with Spider-Man in its earlier adventures, Marvel history has seen the symbiote merge with many more heroes, from Drax the Destroyer to the Punisher, often yielding new forms and abilities. In fact, in one reality, Punisher and Venom’s partnership resulted in a unique symbiote ability combining both characters’ bloodlust and talents into the perfect power.
In Edge of Venomverse: War Stories #1’s 'Deal With The Devil' story by Declan Shalvey and Chris O’Halloran, the Frank Castle of a parallel Earth has essentially lost his war against New York’s criminals and meets with Kingpin to discuss a potential truce (essentially surrendering to the crime-boss). At the meeting, however, Punisher reveals that he has an ace up his sleeve: Venom. After becoming Venom’s host, Punisher takes out Kingpin and his goons, and takes his war back onto the streets, effectively ending crime in New York.
Related: Venom vs Superman Revealed the Symbiote Is Stronger
One of Venom’s key powers given to him by his symbiote anatomy is his ability to shapeshift, particularly to hide in his host when discretion is required. This also means that Venom’s look changes from host to host, ranging from extremely muscular (as in Eddie Brock’s case), to limber and agile. Additionally, Venom has no qualms using himself as a tool or as the extension of an existing weapon or vehicle. Part of the reason why Spider-Man favored the symbiote for some time was because Venom allowed him to web-sling indefinitely, thanks to the fact that Venom was using himself as a means of locomotion instead of Peter’s custom webbing. When bonded with Punisher, however, this ability goes one step further with Venom creating all sorts of firearms for Frank to
Read more on screenrant.com