*** The following article contains spoilers for Doctor Strange in the Multiverse of Madness *** “The multiverse is a concept about which we know frighteningly little,” so warned superhero sorcerer and former neurosurgeon Doctor Stephen Strange (Benedict Cumberbatch) in Spider-Man: No Way Home. In Doctor Strange in the Multiverse of Madness, the doors to the Multiverse are truly flung open. Comic book readers know the multiverse concept well - superheroes often fight against or alongside their al