The ad campaign for the third season of “American Horror Story” has been predictably amazing. You can revisit all the ooky, creepy teasers in this convenient round-up. But this is our first look at our characters and it will send ice water right down your spine. Joining the main trio of Jessica Lange, Kathy Bates and Angela Bassett are “American Horror Story” perennials Evan Peters, Sarah Paulson and Taissa Farmiga. I cannot wait.