The first trailer for the Zack Snyder cut of “Justice League” was a big deal, but the biggest moment of the DC FanDome on Saturday had to be the reveal of the very first trailer for Matt Reeves’ “The Batman” starring Robert Pattinson. Everybody’s been playing things very close to the vest with this flick so far, and it feels like we’ve been watching impatiently from afar as we try to wait patiently to see it. So it’s nice that this trailer is out there and we can start to speculate about what we’re gonna get out of this thing when it hits theaters next year.