Historical realism says he wouldn't have to make it "an order," and that talking to him like this would be genuinely dangerous.

Fairy tale comic fun, however, says she can totally get away with this (particularly given that she's talking to Prince Elliot).

Tragically, we will never be able to deduce who from off-panel is asking these impertinent questions. There simply isn't enough information, and it shall remain a mystery forever.

Okay, so it's exactly you think it was from two comics ago. She might have to show up again in the main canon, though possibly with a visual redesign. Fortunately, even if she does look significantly different in the main canon, it will still, somehow, mysteriously, very obviously be her.