SPOILER ALERT : This story contains spoilers for Season 2, Episode 7 of “ Gen V ,” now streaming on Amazon’s Prime Video. It turns out Marie (Jaz Sinclair) had a very good reason for originally thinking Dean Cipher (Hamish Linklater) had no powers: He doesn’t. Toward the end of this week’s episode of “Gen V,” Marie, her sister Annabeth ( Keeya King ), Cate (Maddie Phillips) and Emma (Lizze Broadway) look on in horror as they discover the elderly burn victim man they correctly assumed was Thomas