“Smash hits!” flames Karl Wolf, president of Wolf, Lion, and Mane Studios. “If Danny Day-Lewis unretires, all the world’s a stage!” Around the conference table, a dozen producers stare into their lattes as the metaphor floats above them like coffee froth. “And just in time. Who do we have left? Tom Hanks? A Man Called Otto? He’s reprising Gabby Hayes and Andy Devine. How many granddad movies do we need, when Eastwood’s churning them out like baked beans? What next, Planet of the Aged?” The room echoes. “As soon as Danny climbs down from Scorsese’s new movie, a Jesus-tells-all, we’ll…