The Umbrella Academy pits both sets of Hargreeves siblings against the dreaded kugelblitz — here's what a kugelblitz actually is in The Umbrella Academy season 3 trailer. After Viktor Hargreeves' violent violin recital triggered an apocalypse in The Umbrella Academy season 1, he and his siblings spent season 2 desperately trying to avoid that future outcome by changing the 1960s, and their mission was a success… kinda. Upon returning to 2019, Luther, Diego, Klaus, Allison, Five and Viktor discover an alternate timeline has been created, where blimps fly through the sky, and the «Umbrella Academy» is now the «Sparrow Academy» — a completely different team of superheroes led by mysteriously-deceased ex-Umbrella, Ben.
The Umbrella Academy's season 3 trailer elaborates on this curious phenomenon. Five (who else?) deduces that travelling back to the future created a time paradox, which is now "swallowing" parts of reality. He believes the Umbrellas' meddling with time summoned forth a «kugelblitz» but when Viktor asks the obvious question of what that word means in plain English, his brother merely replies, "Essentially, we're screwed." The time-hopper doesn't elaborate on what kugelblitz actually means, but here's what we know.
Related: The Umbrella Academy Theory: Ben Killed Himself
A kugelblitz is a genuine phenomenon in the world of theoretical physics. In simple terms, «kugelblitz» refers to a black hole created when an incredible mass of energy is trapped within itself, warping time and space. Mankind doesn't yet possess the technology required to test whether a kugelblitz could actually be created, and these immensely powerful black holes don't just materialize out of nowhere. Then again, our reality doesn't have six
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