Despite the fact that she won't so much as speak to him, Thanos is hellbent on impressing Death. He turns his granddaughter Nebula into a zombified corpse. He builds a shrine in Lady Death's image.

On that note, it sounds like we'll see the Xandarians attempting to rebuild Xandar after Thanos' attack in Avengers ... eventually return as Rio Vidal/Lady Death. You may have also seen ...