Option 2: The Joker retains the move capabilities of the last piece moved by the opponent. Therefore, both Jokers always have moves (except on the very first move of the game), and the two Jokers will not necessarily have the same moves. This is consistent with the description on the Apothecary Chess Modern page. But I don't think the description on Wikipedia is sufficient to distinguish between this and:
I think this is the implementation I want for my games!
I think this is the implementation I want for my games!