CASTLE Season 4 Episode 2 Heroes & Villains Photos : “Heroes & Villains” – When an ex-con is mysteriously slain in an alley, Castle and Beckett believe a vigilante is behind the murder. But efforts to identify their suspect are thwarted when they discover that he roams the city in a Superhero costume — and may indeed be a Superhero. Can they capture and unmask the killer before he strikes again?, on “Castle,” MONDAY, SEPTEMBER 26 (10:01-11:00 p.m., ET), on the ABC Television Network.

Photos : ABC/ADAM TAYLOR

CASTLE Season 4 Episode 2 Heroes & Villains Photos