Amazon and US entertainment company AMC Studios have inked their first output deal for exclusive international rights for original AMC Studios content. Bagging exclusive rights in 28 countries outside of the US suggests Amazon signed a sizable check – another show of intent that the company is willing to make significant content investments in its global expansion efforts where return on investment has so far been minimal. Amazon has only named 5 out of the 28 new countries where it has landed content rights from AMC Studios, with Australia, Germany, India, Italy and Japan getting mentions in the initial agreement release. The missing launch territories remain a secret for now, but the second most populous country in the world is…