“Walking Dead” star Norman Reedus has signed a first-look development deal with AMC Studios under his newly-launched production company, bigbaldhead.Reedus is launching bigbaldhead alongside Brillstein Entertainment partner JoAnne Colonna and it will be led by former AMC executive Amanda Verdon.With several projects in development, bigbaldhead has recently closed a deal to adapt “Undone by Blood,” an AfterShock Comics publication from writers Zac Thompson and Lonnie Nadler, who are also on board