Doctor Strange in the Multiverse of Madness, Spiderman: No Way Home, and LOKI all discuss the Multiverse, but does the Multiverse actually exist? According to Marvel’s Doctor Strange, “the multiverse is a concept about which we know frighteningly little.”, But, it's not just a brain-breaking concept in Marvel movies...it's a brain-breaking concept in real life too! Let's explore Marvel's latest scientific obsession.