User blog comment:SpartHawg948/Official XBox Magazine covers ME3/@comment-1891865-20110606160643/@comment-1891865-20110606162343

Yup, although I read that it has been taken down already...for a while at least.

http://kotaku.com/5808887/microsofts-e3-2011-website-outs-halo-4-and-more