Every company has a story heading into E3. They all have something to prove, something to gain and something to lose. At the Los Angeles gathering of gaming's biggest developers and publishers, each one will try to outshine the others and 'win' E3.
For Microsoft at E3 this year, the story is simple: they are second. They have lagged behind the sales of Sony's PS4 since day one, but following the PR disaster that was the Xbox One's launch they have made huge strides under the leadership of Phil Spencer.