Marcel stabbed Kol with a knife, threatening to kill him. Kol explained that his family wouldn't care if he died before Klaus stopped Marcel from proceeding. Marcel left while Kol told Klaus how much it hurt that Marcel had been treated more like family than him.

Does Elijah and Kol survive Marcels bite?

Marcel Is King

His bite is fatal to vampires, like that of a werewolf, only his bite cannot be cured with Klaus' blood. He's also now the most immortal character on The Originals — Elijah ripped his heart out, and he still survived.

Does Kol die in Caleb's body?

He consequently died for the second time in I Love You, Goodbye, surrounded by his family and girlfriend. Moments before Kol's death, Rebekah promised to bring Kol back.