*Secret Wars (2015) didn't merge universes together at the end.*

*Secret Wars (2015) didn't merge universes together at the end.*

*Secret Wars (2015) didn't merge universes together at the end.*

What is important had to be said **thrice**. Did someone gaslight themselves into buying a plot detail that clearly didn't exist in the comic and convince others that would be how the MCU version of Secret Wars turn out?

Photo credit: Fantastic Four: First Steps.
So where did the "merge universes" theory come from and how did it have so many supporters?