Even creator Stan Lee makes his patented hilarious cameo we've come to expect in Avengers: Age Of Ultron, but overall, the blended elements of hilarity and
possible ultimate destruction is lost in a blur of exhilarating, yet sometimes confusing action which focuses not so much on destroying the bad guys, but evacuating a group of civilian bystanders from an Eastern European metropolis.
A) Man was not around at the «BEGINNING of time,» B) Man didn't even gain the ability to speak until roughly 200,000 years ago (which is a drop in the bucket to Wikipedia's guess that the earth is over 4.5 billion years old, and C) why would they logically (assuming you were remotely
possible of being correct) man immediately assume the
ultimate destruction of earth at the first dawn of life?