Complex sentence: Unknown to everyone, the doomsday plans left behind by MODOK serve as a distraction; the plans themselves are coordinated by a'cluster' of brains, cloned from MODOK's own, who act as one non-sentient supercomputer.
Split into simpler sentences: Unknown to everyone, the doomsday plans left behind by MODOK serve as a distraction. The plans themselves are coordinated by a'cluster' of brains, cloned from MODOK's own, who act as one non-sentient supercomputer.