A key issue noted for First appearance of Azazel and Origin of Nightcrawler. The Uncanny X-Men #428 was published by Marvel Comics on October 1, 2003, as part of a series that began in 1981. Chuck Austen writes, and art comes from Dave McCaig, Philip Tan and Sean Phillips. This 36-page issue features Nightcrawler, Mystique, Azazel and Christian Wagner.