X-Men: Deadly Genesis is a comic book limited series published by Marvel Comics in late 2005 and early 2006. The series was written by Ed Brubaker with interior art by Trevor Hairsine and covers by Marc Silvestri. Starring the X-Men, this series celebrates the 30th anniversary of Giant-Size X-Men #1 (containing the story titled Second Genesis). The plot deals with the X-Men looking for Professor Charles Xavier, who went missing after House of M, as well as the appearance of a new, incredibly powerful mutant threat.