I think "a way we would expect" would be kind of precluded by the fact that, if something were looking back, it probably would've had to develop or evolve some

I think "a way we would expect" would be kind of precluded by the fact that, if something were looking back, it probably would've had to develop or evolve some sort of perception/method of observation that we don't have access to, otherwise we'd have a much easier time accomplishing said feat. :)