Great start and wonderful flashbacks!
The Tempus lines were great and I could almost imagine Lois and Clark's reaction to them.
One, tiny, nit-pick though. The shift between the present and the flashbacks and back is a little jarring, especially at the end since there is also a shift of point of view.
Maybe make the distinction between a pause between flashback and the shift to the present a little more distinctive by using two lines of asterisks or something similar?
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