Symbiotes have become a big deal at Marvel. Venom and Carnage opened the floodgates for more symbiotic heroes and villains, with Marvel even doing two big event books focused on battling symbiotic invasions - Absolute Carnage and The King in Black. Many characters have bonded with symbiotes, becoming much more formidable.
Source：https://www.cbr.com/marvel-comics-venom-carnage-villains-symbiote-upgrades/
