Source Interlink, the nation's largest direct-to-retail magazine fulfillment distribution company, today announced an agreement with Marvel Comics to distribute comics to the major bookstore chains.  Source Interlink plans to distribute comic titles including Ultimate Spider-Man, The Uncanny X-Men, The Incredible Hulk, Daredevil, Captain America, and others to Barnes & Noble, Borders, B. Dalton Booksellers, Waldenbooks, and other specialty retailers.  Source Interlink manages the direct distribution of magazines (and now comics) to more than 5,300 outlets in the specialty retail market operated by 25 retail chains plus independent retailers.