Evan Zimmerman for MurphyMadeThe set-up is all-too familiar: a crazed fan takes their idol hostage. Indeed, I’m Gonna Marry You Tobey Maguire (The Cell, to July 29), directed with a delightfully off-kilter mischief by Tyler Strubble, even references Misery, that famously dripping-in-sadism movie in which Kathy Bates infamously took a sledgehammer to James Caan’s ankles after ‘rescuing’ him from a snowy car accident.But Samantha Hurley’s witty and unexpectedly moving play imagines more beyond a s