Board Thread:Questions and Answers/@comment-7657843-20150425081922/@comment-5284880-20150505205845

The one we saw in Thor was just a fake created to show how the Infinity Gauntlet would look. The real one on the other hand (heh heh) was stolen by Thanos a LONG time back and gave it to someone (most likely Kang the Conqueror) for safe-keeping until further notice.