This is a direct comic adaptation of the original 1987 TV series mini-series.
As the Neutrinos blast their way out of the Technodrome, they are quickly pursued by another denizen of Dimension X: General Traag, leader of Krang’s Stone Warriors! As the Neutrinos escape to the surface, General Traag is shocked to see his commander, Krang, in his bodiless state. Krang orders Traag to stop the Neutrinos. The Turtles, April and the Neutrinos escape to the sewer and Traag uses a device to turn New York’s weather into total chaos. After a skirmish, Traag and the Neutrinos return to Dimension X. Krang opens the portal to Dimension X and tells General Traag to standby for the impending invasion of Earth.