Anyone who's seen Captain America: The Winter Soldier or Agents of S.H.I.E.L.D. knows that in the Marvel Cinematic Universe, Hydra has secretly operated within the espionage and law-enforcement agency for decades, plotting global conquest. Now it's time for the organization to come out of the shadows ... with shirts that give new meaning to the term "sleeper agent."

Think Geek reveals true allegiances with this glow-in-the-dark T-shirt and tank top that boast the S.H.I.E.L.D. logo when the lights are on, and the Hydra emblem when they go off. I imagine The Winter Soldier would've gone differently had these been standard issue at the Triskelion,