"Messiah Complex, Chapter Five"
Continued from New X-Men (Vol 2) #44.
Continues in Uncanny X-Men #493.
*Battered by Sinister, the X-Men retreat to the mansion to lick their wounds. But in the war for the future of mutantkind, the battle never ends. The school is overrun by a mysterious new player who enlists one of the X-Men’s oldest foes. And when Cyclops learns who has the baby, he’s forced to make a tough decision. *Source: marvel.com
First appearance of Hope Summers (as baby)