Green Goblin is very memorable. His crazy laugh and the flying glider make him stand out. He has a complex relationship with Spider Man as Norman Osborn is also connected to Peter's personal life.
Doc Ock is a likely villain in Spider - Man angry fanfiction. His mechanical arms and his intelligence make him a formidable foe. His evil plans usually put the city in danger, and Spider - Man would be extremely angry trying to stop him. Also, Electro could be a villain in such fanfictions. His ability to control electricity can cause a lot of destruction, and Spider - Man would be angry at his disregard for human life while causing chaos.
The Green Goblin is very memorable. His maniacal laughter and his crazy stunts on the glider, along with his complex relationship with Spider - Man, make him stand out. He was one of the first major villains and set a high bar for the others.
The Shriek can be really interesting in fanfiction. Her sonic powers can be explored in unique ways, like how she uses them not just for destruction but also to manipulate situations or people around Spider - Man.
One of the most evil villains in fiction is Voldemort from the Harry Potter series. He's responsible for countless murders, including the death of Harry's parents. He aims to take over the wizarding world and establish a regime based on pure - blood supremacy, showing no mercy to those who oppose him.
The Joker would be a great addition. His chaotic nature would contrast well with Spider - Man's quippy and more light - hearted style. Also, Two - Face. His duality could create some interesting moral dilemmas for Spider - Man. And of course, Poison Ivy. Her plant - based powers could make for some unique battles within the asylum's walls.
One possible villain could be Doctor Octopus. He might be back with some new and improved mechanical arms, and he wants to prove that he's the superior scientist and villain by defeating both Spider Man and Spider Girl.
The Green Goblin is a main one. He's always causing trouble for Spider - Man. Norman Osborn, as the Green Goblin, has a complex relationship with Peter Parker, which makes their battles even more interesting.
The main villains in the Cosmic Spider - Man story are quite interesting. Firstly, there's Mysterio. In this story, he uses his illusions in a more cosmic - level way to deceive Spider - Man. He teams up with some other villains to try and bring down Spider - Man. Then there's Sandman, who has been corrupted by a cosmic force and is now a more menacing foe. Another big villain is Carnage. He has a new form that is powered by a dark cosmic energy. All of these villains pose different threats to Spider - Man and his new cosmic - powered self.