Azmuth appears on Ben's shoulder and examines the Omnitrix, saying that it needs to recharge before Ben can access all aliens again. Smoothy by quickly hitting it with every alien in his arsenal, except for Cannonbolt and Alien X, and in the process puts the Omnitrix into reboot mode and locks out half of his arsenal (not counting Alien X). Ben fights his way to Psyphon (who's coordinating the attack from ground level), but when Ben defeats Psyphon, he brings to life a Mr.
Instead, they split up to tackle the invasion. Ben attempts to transform into Alien X, but Professor Paradox stops him, stating that now is not the right time to use Alien X.
The story starts as Vilgax invades Bellwood with a gigantic Null Void Projector, releasing hundreds of Null Void prisoners into the city.