The difficulty of talking about superheroes is that what people mean by that isn't really a genre but two mammoth franchises that have been running for almost a century. It's fundamentally unlike the heyday of the Western because no one has the creative freedom John Ford had.
Fits the progression of the series to me, and it's the best of the books. I wouldn't say it's a "truly great film" but as kids' movies go you could do worse