The images show Emma Roberts and Keke Palmer blowing bubbles as a threatening-looking knife hovers beside them, reported Digital Spy.
The anthology series is created by "Glee" executive producers Ryan Murphy, Brad Falchuk and Ian Brennan.
It focuses on a college campus which is stalked by a mysterious killer.
The ensemble cast includes Roberts, Palmer, Lea Michele, Jamie Lee Curtis, Oliver Hudson, Abigail Breslin, Keke Palmer, Billie Lourd, Skyler Samuels, Lucien Laviscount, Diego Boneta and Glen Powell.
Ariana Grande and Nick Jonas will have recurring roles in the first season.