I don't know if I discussed it before or someone else did but if so I'll reinstate it
I kinda toyed around with the idea that since the 2000s Spider-Man and X-Men movies were planned to be connected I kinda thought it'd be funny if The Amazing Spider-Man films were part of the rewritten...
I can imagine one of the shows having a split second cameo of the map of New York City with a Spider-Man mask circled on it and Danville somewhere along the country with an incredibly horrific cgi Phineas head
The What If comic about the 2015 Secret Wars released, and the writer basically confirmed it takes place in a separate multiverse entirely
So with that being said, it could stand to reason the Battleworld is in fact a multiversal singularity
The Ultimates: *shows the Guardians of the Socialism trying to merge their future with another universe due to it essentially turning into a branching timeline*
Also The Ultimates: there are no branching timelines, we create our own future, themes n such
Make up your mind Deniz