What If is, inherently, a series about hypotheticals. Because of that, it’s hard to imagine a way that it can really affect the greater MCU canon. We can watch Loki perform Hamlet or Happy Hogan save Christmas, but that won’t change what happens in the next Avengers movies. However, there is one big exception to this: The Watcher, the narrator of What If, exists outside of time and space, within the fifth dimension. Anything that happens to him can affect the entire multiverse.
In the penultimate episode of What If, we see that in motion as Captain Carter, Kahhori, Storm, and a brand new character investigate the Watcher’s disappearance — and prove that one of the season’s most seemingly unnecessary episodes may in fact change everything.
