"Multiple Birth"
*Witness the most important event in the lives of Jaime Madrox and Siren—the birth of their baby! What will happen to X-Factor—and what will be the meaning for mutantkind!...All we can guarantee are that the answers are not what you expect—but that’s what makes it X-Factor! Don’t miss what is sure to be one of the most talked-about books of 2009!
*Source: Marvel.com
Note: X-Factor (Vol 3) #40 notes that the cover to this issue was drawn by Mike McKone.