Re: If the Lizard was the villain in Sam Raimi's Spider-Man 4...
By all accounts, it would have been the Vulture. However, to answer your question, I suppose something would have to push Curt into wanting to research regeneration. Then Curt would have to work alongside some researchers/corporation that would fund the research.
Originally Posted by Toll The Hounds
“Evil is nothing but a word, an objectification where no objectification is necessary. Cast aside this notion of some external agency as the source of inconceivable inhumanity – the sad truth is our possession of an innate proclivity towards indifference, towards deliberate denial of mercy, towards disengaging all that is moral within us. But if that is too dire, let’s call it evil. And paint it with fire and venom.”