Before I start it should be made clear…I am a mega fan of the Joss Whedon series Firefly, and subsequent movie, Serenity.  But it doesn’t take a mega fan to see the similarities between Firefly and the most recent Joss Whedon television production, Marvel’s Agents of S.H.I.E.L.D. If we break down the characters and their roles we might just find we’re watching Firefly 2.0. The obvious similarities start with a mobile group, working on the fringes of the law using a cool ship as their base.  Sound familiar? The “Bus” is Serenity.  Much like our beloved Firefly, the S.H.I.E.L.D. crew needs …