The short answer is basically "no".
I have seen very old Superman and Spiderman comics in American weekly floppy format that were translated into Japanese, but it appears that format wasn't not successful in Japan, and now they are relics in old manga shops.
You could see if online subscribers ship overseas:
The Best Online Comic Book Subscription Service: DC, Marvel Subscriptions - TFAW.com
Though it may not even be legal for them to do so, as the books are not licensed in Japan.