To search for Comics or Manga (and books about Comics/ Manga), go to the InfoHawk+ and search by Subject Heading and by language, if you wish. Try:
For Manga, you can also browse the call number range PN6790.J3-PN6790.J34
Also check our our Comic Books in Special Collections
Once you do a first search in InfoHawk+ - you can then select your "Resource Type" = DVD, and a "Language" = Italian.