Were Pirates

Elsa and Hiccup are captains of the fire and ice ship. there going to get married soon. jack and merida are shipping through there life boat merdia love hiccup and is willing to kill Elsa for him. so will Jack he loves Elsa and he will make hiccup walk the plank.
Will hiccup and Elsa marry each other or leave there self thinking what am I missing. Or will they get married and live on the seas with each with there soon to come family