I mean the nerds are just having a FIT. But, there it is, "Hi! It's Mr. Neutron!" and THEN the doorbell rings.
Imagine: Superman is found dead of gunshot wounds, and the medical examiner winds up arguing with everybody about how this is IMPOSSIBLE, even as the corpse stiffens and begins to stink.
Maybe it's just possible that the brainiest folks on the planet (or so they claim) DON'T know everything, after all.