That's an limited anthropomorphic perception of time and space.
The mathmatics of scalar field theory, if it's correct, almost requires that a multiverse exist, but we just don't have any way to test the idea.
it isn't correct because time is an immovable force balancing expanding details with contracting results limiting expanding details never duplicated again with results never same form shaped since combined by molecular content or DNA reproductions changing current population total sum where each lifetime arrives a great great grandchild capable of becoming 1 of 16 great great grandparents 4 generations forward after birth.
It all develops when occupying space evolving here as reproductively present. Simple compounding whole be it inorganic or ancestral. the whole is equal to total sum displaced now.