1 Death of Insanely Overpowered Fireballs: I'm investigating a strange conflux of critical time junctures. I reckon you might know something about it, having gone back in time and murdered yourself.
2 Me: I'm an innocent victim here! I'm the one who was murdered! I didn't kill myself!
3 Death of Insanely Overpowered Fireballs: Not yet, but you will have done at the end of last year.
4 Me: And what, exactly, is the criterion for determining a strange conflux of time junctures, anyway?!

2020-12-05 Rerun commentary: I did consider wearing a skull face mask for this sequence, but I decided that if you couldn't at least see my face the whole point of actually getting a skeleton suit would be defeated.

And as always, time travel grammatical tenses for the win. Douglas Adams was never more right about anything than how funny this particular thing is.