Season 3

Season three sees several major cast changes. In the beginning of the first season three episode it is revealed that Emma is dead while Adam is also presumed dead (which later turns out to be false). A New Fourth New Mutant, Lexa Pierce, joins Mutant X. Mutant X now works for The Secret Society Dominion, which hires them in most episodes to solve problems revolving around New Mutants or other genetic problems.