Devotee: Mahā-Viṣṇu?
Prabhupāda: No, Mahā-Viṣṇu is not direct expansion.
Devotee: Expansion of the expansion?
Prabhupāda: Yes. That is mentioned in the Śrīmad-Bhāgavatam, you can read there. When there is incarnation, in the First Canto, I think Third Chapter. There you'll find it.