Jordan would have jurisdiction to the extent that he willingly comes to Jordan and submits to the jurisdiction of the court, something which I would advise against if I was his lawyer. I am not familiar with the extradition treaty between jordan and Denmark, if there is one, but I dont see a danish court ordering an extradition.
Jordan could also claim juricdiction if the cartoon appeared in media which was available in Jordan. Jordan could then claim the "crime" occured in Jordan.
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