The original X-MEN only made about $150 million in domestic box office. And what was "Blade's" box office take?
"Spider-Man" made $400 million, really ushering in the superhero blockbuster.
That wasn't Dream
's original claim, though. And your response didn't mention blockbusters. You said "kicked it off", which I took to mean "was the first popular outing". Well X-Men was rather popular.