Good news – the San Diego Comic-Con happening this week will feature some upcoming Microsoft Xbox One games for the public to play.  According to Major Nelson (a Microsoft rep) the following companies and games will be participating in the Microsoft booth and off-site lounge:  Dead Rising 3, Halo: Spartan Assault and Halo 4 Champions Bundle, 2K Games, Capcom, Disney Interactive, Konami, Ubisoft and Warner Brothers Interactive.

Microsoft will also have panels including one on the Halo universe and The Creation of Ryse Son of Rome.  Not listed on Major Nelson’s blog but sure to be featured at Comic-Con are Killer Instinct and Fantasia Music Evolved.  We also expect to see a handful of Xbox 360 titles showcased from the various gaming booths in attendance.

Source:
http://majornelson.com/2013/07/09/xbox-comic-con-2013-schedule