The writers seem to be inventing new physics solely to foil the characters, which hardly seems necessary — on an alien planet, with a group of strangers dealing with stressful, dangerous conditions together, there are plenty of more believable challenges to face. (theverge.com)
After Strange deals with them, he asks Wong about the 6th stone and Wong says nothing much is know about it other than the fact that it's the most dangerous one, and whoever, if and when, comes looking for them, needs to be stopped, showing a visual of Thanos wearing the empty gauntlet and grinning (post-credit scene from Ultron). (mcuexchange.com)