The following publish comprises SPOILERS for The Flash. At least for the model enjoying in our universe.
At this level, I feel most audiences have seen sufficient multiverse motion pictures to know that every one comes with a set of guidelines. They intuit that these motion pictures exist in a actuality the place there are a number of variations of well-known characters. Sometimes, these characters are bodily equivalent — just like the variants of Doctor Strange in Multiverse of Madness all performed by Benedict Cumberbatch. Sometimes, the characters can look just a little bit completely different; Tobey Maguire, Andrew Garfield, and Tom Holland all have roughly the identical top and construct, however you could possibly decide every of them out of a lineup in Spider-Man: No Way Home with none confusion.
But The Flash encompasses a variation of not less than one character that’s so jarring it’s just a little bit complicated. In its preliminary universe (identified to extraordinarily formal nerds because the “DC Extended Universe”), Batman appears like Ben Affleck, a ruggedly good-looking, brown-haired, middle-aged billionaire.
Then Ezra Miller’s Flash goes again in time to his personal childhood, and saves his mom (María Verdú) from dying. When he returns to the current, she continues to be alive, and his residence life is comfortable — however the remainder of the world is in serious trouble. The Justice League not exists, and General Zod simply arrived to beat the planet. With nowhere else to show, Flash turns to a retired Batman — solely this man doesn’t appear to be Ben Affleck, he appears like Michael Keaton, the person who performed Batman greater than 30 years in the past — and who’s technically a senior citizen, together with the grey hair and wrinkles to match. (Ben Affleck is 50; Michael Keaton is 71.)
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It’s simple to know how a small change to the previous may have monumental penalties to the long run. (Remove even one consequential individual from the world — Abraham Lincoln — and all of historical past will get rewritten.) But once more, these penalties are on the future. Flash’s adjustments previously happen about 15 years in the past — after Ben Affleck’s Batman would have been born as, y’know, Ben Affleck. In his timeline, he may need already been Batman at that time!
Even if we settle for that Flash’s mother not dying rippled out and affected the world in monumental methods, they seemingly wouldn’t flip a 50 yr outdated man right into a 70 yr outdated one. How may a lady’s life or dying in, say, 2005 have an effect on whether or not a child was born in, say, 1945 or 1965?
The Flash wonders the identical factor. Keaton’s Bruce Wayne explains all of it to him utilizing a bowl of spaghetti.
This is DC’s multiverse, not Marvel’s or Sony’s, and so they’re enjoying by their very own guidelines. Keaton says some folks (like Doc Brown, together with the oldsters who make these different multiverse motion pictures) consider the multiverse as branches in time. Someone travels to the previous and adjustments one thing — like whether or not the Flash’s mother lives or dies — and from that time on, occasions differ. To illustrate that instance, he takes two items of raw spaghetti and holds them collectively. Then he locations a finger in the course of the 2 items and stretches one spaghetti strand away from the opposite. That’s a department in time.
But time, says Keaton’s Batman, is not linear. (Are you going to argue with him? He’s Batman!) He says that once you reshape some extent in historical past, it impacts not solely what’s going to happen after it however what has already occurred earlier than it. He illustrates this concept by taking his two items of spaghetti and rotating them so that they solely contact within the center, like an intersection between two streets.
Keaton doesn’t clarify how the previous was refashioned in order that Bruce Wayne is born 20 years earlier, or why he now appears just like the dude from Johnny Dangerously as an alternative of the man from Good Will Hunting. But, then, how may he? Keaton’s Batman has no thought the way it occurred. And finally these specifics are form of unimportant. What is vital is the rules of time journey logic. And these he lays out clearly.
The different manner you could possibly take into consideration all of this are to think about the best way Flash travels by time as a pebble being dropped into the floor of calm water. The pebble causes a ripple, and that ripple expands out in each route, not only one. And so when the Flash is dropped into the second previously when his mom was killed, and he prevents her dying, it impacts all of time in each route. And one way or the other that transforms Ben Affleck into Michael Keaton. To work out any greater than that from simply The Flash, you’d should be the world’s biggest detective.

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