'Priest,' a loose adaptation of Hyung Min-woo's manhwa (Korean comic), hits theaters this weekend. But fans have been reading the comic series over several volumes from the publisher Tokyopop, a manga (Japanese comic) company. "Manga" has become a catch-all when describing the world of Asian comic books, and features characters as popular as Superman and Spider-Man.

Now that American comic books have flooded Hollywood, it looks like manga may be the next big thing. We've already seen adaptations of 'Dragon Ball Z' and 'Akira' has been in the news lately. What's next? We've got five manga that should be adapted, and some compelling reasons why.