Venom has since become more of a hero.
Venom (comics) . The Symbiote went on to merge with other hosts , most notably Eddie Brock , its second and most infamous host , with whom it first became Venom and one of Spider-Man 's archenemies . Comics journalist and historian Mike Conroy writes of the character : `` What started out as a replacement costume for Spider-Man turned into one of the Marvel web-slinger 's greatest nightmares . ''