PHILADELPHIA — M3gan was bound to capture online queer fandom from the moment she sashayed across the blood-splattered room. We're talking about M3gan — part android, part doll, part meme legend — the main character in Blumhouse Productions' and Universal Pictures' new film, "M3gan." After a girl's parents die in a car accident, her aunt (Allison Williams), an engineer, becomes her caretaker and tasks the robot she's working on, M3gan, to help keep her niece safe. This is a horror film, so you can imagine that plan goes poorly. But the internet doesn't care about that. The internet cares about...