Board Thread:Questions and Answers/@comment-71.209.180.44-20140626234518/@comment-25124692-20140630213713

I think the Aether stone is the Soul gem because if the cocoon in the Collector's museum turns out to be Adam Warlock it makes more sense in continuity for the Aether to be drawn towards his life force and wake him up early which can set up the showdown with Thanos in Avengers 3.