Preview of next week's 'Agents of SHIELD' with Sif from Thor Posted by Matt Spatola 3/07/2014 12:47:00 PM abc agent coulson agents of shield +11 chris hemsworth clark gregg entertainment jane alexander marvel movie news previews sif the comics ticker thor tv youtube abc agent coulson agents of shield chris hemsworth clark gregg entertainment jane alexander marvel movie news previews sif the comics ticker thor tv youtube