The preview also touts a couple new screenshots, and reveals the Japanese subtitle for the game: "Rockman 10: Threat From Outer Space!!"
More info as it comes in.
Credit: NeoGaf, GameNyarth
UPDATE: The Mega Man Network has obtained clearer scans :
Based on the dialogue, we can conclude the Roll does indeed succumb to Robotenza, and Mega Man seeks help from Dr. Wily and Proto Man.