According to some forum members, as long as there's matter to be manipulated, MJJ SOLOs with ease. Thanos gets annihilated in a millisecond and CK dies/undies soon after.
MJJ was an OMNIversal threat. So far CK seems merely universal, if that.
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..even the outer hells are indifferent matters for they bow only to potent and archaic Nodens.