User blog comment:Shabook/My ideas for Agents of S.H.I.E.L.D./@comment-10947209-20140214214734

More villains, (Like you said, C-List Villains), like Scarecrow, Big Wheel (as his alter ego), probably an appearecne of M.O.D.O.K in his fully form (like they did with Deathlok, but more creepier).