Earth-77, also known as the Spiderverse, is a story-line that has been adapted into several forms of media. As Spider-Man and friends try to defend New York from the Dark Spider* new threats arise and pose dangers to the web-slinger.
After an explosion at WebTech industries, Peter Parker - a high school student at the time, gained amazing spider-like abilities from the radioactive poison. This, however, was not the only incident in the city. Soon villains from all over started rising, mighty villains like Venom and Dark Spider.