How did Spider-Man's uncle die in Li San, Spider-Man?

In the cartoon Death of Spider-Man, he was besieged and killed by six evil people.

The Evil Six is a temporary organization set up to fight against Spider-Man. Later, it even developed to fight other Marvel heroes and expanded to an organization of seven to twelve people. In the "ultimate universe" parallel to the earth, The Avengers is experiencing an unprecedented civil war. Peter blocked a bullet for Captain America, but he was bleeding profusely and couldn't fight any more.

sinister six

1, doctor octopus: A nuclear scientist, because of an experimental accident, four working robotic arms were fused to his back, which affected his brain and made him a criminal.

2. Vulture: wearing self-developed flying equipment, becoming a villain because of business failure.

3. Electricity: I was originally an electrician, and I got super powers by accident. It can send out high-voltage electricity from the fingertips, move along with the current, use electricity to keep fit and control any electronic instrument.

4. Kraven the Hunter: A crazy hunter who loves hunting games. With the proof of defeating Spider-Man, he can become the greatest hunter in the world.

5. Green Devil: Spider-Man's biggest enemy, arrogant and belligerent, invited Spider-Man, whose strength is similar to his own, to join the operation, but was rejected, so the green devil began to regard the former as an old enemy.

6. Mysterio: A former film special effects worker, who thinks that defeating Spider-Man will make him famous all over the world and master illusion and technology.