If your health gets too low, you eat food.
Some Spiders (and other monsters) may poison you, causing health to gradually decrease. In this case, you can take an antipoison potion; wait for the effect to pass and eat food until your health gets too low; or simply let your character die.
It's impossible to be bitten by the same spider that Peter Parker was bitten with because that spider was not a real kind of spider.
He was bitten by a spider, and a spider is not an insect, it's an athropod.
They are used to make certain potions. Especially for members.
Spider bites can get that big.
No. He was bitten by a radioactive spider.
Get to a doctor.
He was bitten by a radioactive spider.
No.
No.
That would be awesome, but if you could, wouldn't you think everyone would've been bitten by now?
In what book? In the second he gets bitten by a basilisk, in the fourth he gets bitten by a giant spider, in the seventh he gets bitten by Nagini, Voldemort's snake.
Get bitten by a radioactive spider. There is a possibility of horizontal gene transfer.