>>150991334
anon >>150991224 hits some of it with how much of it is all in the family with him such as GG being his best friends dad, Lizard was his teacher, but it's also how thematic it stayed with many his enemies being animals too like Rhino, Doc Ock, and Vulture.
The big thing however was most the enemies stayed within his power level of being street threats, this is a big advantage Spider-man and Bat-man have is where they are street rime heroes first and foremost it's hard for their rouge gallery to be grand world ending threats so the writers have to get much more creative with villains motives and why they are acting as they are. Thus they hold in people's minds more because a story about the hero struggling over he fact he has to fight a mentally ill friend and balance between saving them and saving others sticks better than you have to stop the cosmic baddie wanting to take over earth.