Before the infinity stone incident happened, and the Kree empire still went around destroying worlds and conquering planets. There was a planet called Seviesa, it held one of the largest parts of the Galaxy and the leader of the Kree has set his eyes on it. Knowing this, the king made a deal with the Kree leader so that Seviesa would not be destroyed, he would have to give up his title and give it to the Kree leader. also to guarantee that he would not betray his vow, he includes his eldest daughter to be a bride to the Kree leader.
9 parts