Ambushed
(Note: The following events occur a short time after Emma enters Rogues' mind where she /discovers 8 billion more minds. She then filters through it to find Rogues)
The X-Men have been ambushed by the Marauders. Omega Sentinel(Psi-Shielded) has ambushed Emma with some sort of biotoxin. In order to stay conscious Emma is bootstrapping her own brain chemistry.
She also similtaneously:
*Mind controls Cannonball to safety.
*Picks at the edges of the Marauders Psi-Shielding and downloads all the information she's found into Sam.