>It's also worth noting that This Is (not) The End takes place
>at a different time than Neon Generation {was|is|willan on-be}
>set, so one does not necessarily invalidate the other in any case.

There is absolutely -nothing- wrong with that, and I am waiting with baited breath.

(It'd be bated, but I had some herring at lunch.)

>I think I'm conjugating that time travel verb right,
>though only Douglas Adams could say for certain.

I remain convinced that attempting to conjugate meta-future-pluimperfect verbs is a great way to lose sanity.