The last time 2K showed XCOM in public was at E3 2011.
Recent reports have suggested that the game is being rebranded as The Bureau (via Kotaku), after two domains have been registered--whathappenedin62.com and whathappenedin62.net--coinciding with the year the XCOM shooter was set.
Further rumours dating back to last year claimed XCOM has been turned into a third-person shooter. 2K also asked customers, via a marketing survey, whether they'd rather pay full price or opt for a cheaper downloadable title.