I enjoyed it as much as any of the better Marvel movies, but I'm not getting the hype that it's the best one yet. It pretty much followed the same formula the rest do.
The distinctive things for me with this movie:
1) it involved a political theme and confronted it head on, making it central to the whole story.
2) the world building is exceptionally well done and you can see the research that went into it.
3) it has the most well-rounded ensemble so far, especially the antagonist whose motivations are more complex than the usual MCU antagonist.
The clincher for me is the closing scene. It's a powerful metanarrative, celebrating the wonder of a young black person finally seeing his black hero being his own kind of cool.
Many bring up Blade as the first black superhero who made it to the mainstream. That's true, but how much did Blade proudly and unabashedly celebrate Afro-American culture? Not so much. Black Panther, on the other hand, is a celebration, from the music, to the language, to the set design, the costumes, and the characterization.
I also had a good laugh with the "colonizer!" punchline. As somebody who lives in a country who os struggling through the postcolonial experience and is still coming to terms with the "legacy" of US colonization, that joke voiced out my sentiments.