Anthony D'Alessandro Editorial Director/Box Office EditorWarning: This interview contains spoilers about tonight’s series finale (Ep. 11 of season 5, “Iunne Ennui”) of NBC/Warner Bros. TV’s Blindspot. After FBI big baddie Madeline Burke (Mary Elizabeth Mastrantonio) poisoned herself in episode 9 in front of Tasha Zapata (Audrey Esparza), the Blindspot gang were left with another dangler: Ivy (Julee Cerda), Madeline’s henchwoman, who left a canister of the zip bomb somewhere in New York City.