It looks like the planned "Killing Monsters" countdown reveal went up earlier than CD Projekt RED was planning, and it turned out to be a new CGI trailer for The Witcher 3: Wild Hunt, of which we already saw some snippets in the original gameplay reveal. In case you're already familiar with the series, the vignette shown inside shouldn't really surprise you in any way, but that said, it's still proof that CD Projekt RED can cook up excellent trailers: