Though there have been dozens of different iterations of his character, the basics are that he’s a brilliant crotchety guy who gets screwed over by the powerful corporation he works for.
Spider-Man fights some real relatable guys, and though he may not look it, the Vulture isn’t too hard to understand.
The best villains are always the ones that you agree with, so hopefully this is a good sign that the Vulture is heading in the right direction.
He then swears his vengeance and turns to a life of crime by wearing a green bird suit.