I don’t think the manga for 20th Century Boys is in the States yet, which is truly a pity. I remember hearing that the author, Urasawa Naoki, requested that it be released in America after Monster, his previous work, had been completely translated due to his changing drawing style. The manga is a delight, as are most of Urasawa’s works. He loves to give shout outs to his favorite movies, books and bands and it’s neat to see how he works them into his stories. He’s also a superb storyteller.