Did we not already know he was a regressor? It's been a while so I don't remember. Like, there was that entire "the only way for both to suvive was to not interact" strip, but I guess that could have been taken as a hypothetical?
Er to be honest things have gotten so messy that I'm just going to accept that whatever happens happens and not think too much about it, and that foreshadowing did happen but during one of the arcs a few big translation breaks prior