Ultimate Wolverine is a fictional comic book superhero appearing in books published by Marvel Comics. He is an alternative version of Wolverine who appears in the Ultimate Marvel imprint, in stories separate from the original character. Created by writer Mark Millar and artist Adam Kubert (based on the original character created by Roy Thomas, Len Wein and John Romita, Sr.), Ultimate Wolverine first appeared in Ultimate X-Men #1 (February 2001).