The variety magazine article confirms that the Batcave include Bruce Wayne and that the DC sets will be released in January.
Here's the relevant section for those who cannot be bothered reading the whole thing.
"Lego will also use NYCC to show off new toys like its Lego DC SuperHeroes Batcave set, that includes five minifigures: Bruce Wayne, Batman, Robin, Poison Ivy and Bane, and comes with Batman's Batcycle and Bane's Drill-mobile. Special features include an elevator where Bruce Wayne can transform into Batman, vehicle flick missiles and a prison pod to secure Poison Ivy"
"As part of the multi-year deal, Lego will get access to DC's entire library of superheroes to turn into minifigures and playsets. The first are set to hit store shelves in January"