Jean leaves Logan to help human evacuation and arrival to Europe costs, but they meet again at Bristol shore. During evacuation Box and Copycat, who apparently have escaped from the x-men last confrontation, started to attack human civilians including but they are stopped and killed by Jean and Logan. Meanwhile Pierce and the Reavers took advantage of the distraction to camuflage as humans in the crowd so they can leak in humans new territories. The Reavers attacked and took control of one of the main ariships of human resistance responsible of guide system of the human fleet. Weapon X confronted them and managed to apparently stopped the reavers.
At the end Jean leaves definitely Europe planning to warn North Amercia of the preventive attack of Human Council, Weapon X could not stopped her and kissed her.
— Description from Comic Vine community (comicvine.gamespot.com).
