Morkus from Orkus
Powers gained from energy, etc. don't make mutants. They make super beings like Spiderman, who isn't a mutant. Mutants are born with the mutant gene and manifest those powers usually around puberty. It might set things up for their kids to be mutants, though.When they stopped Monica from going back before, they said her cells had mutated. I'm wondering if the Hex passing over people (and perhaps expanding worldwide in a later episode) isn't the event that bring mutants into the MCU now that they have the rights to do so.