Do Spiders Try Getting Revenge?

No, spiders will not get revenge if you do something bad to it such as destroy its web, because it doesn't have an emotional capacity to do so. Revenge is a highly subjective act and very emotional, which is why it's rarely seen in animals other than humans.

Do spiders try to scare humans?

Yes, spiders are afraid of humans, but not because they are feeling the emotion of fear, but because of their survival instinct. Spiders are afraid of animals that are larger than them and see them as a threat. That's why they're scared of humans because they see us as a natural threat to their existence.

Does killing a spider attract more?

No, dead spiders won't attract other spiders. At least not directly, but it might indirectly as their carcass can turn into food for other insects and attract other spiders to eat said insects.