Scandinavian Goblin Rebellion (Road to El Dorado + Frozen crossover)

First part in my 'El Dorado/Frozen' trilogy. A lot is happening in Arendelle. After finding land since his adventures from El Dorado, Miguel is kidnapped along with Anna and Olaf by an unknown force. As Elsa, Kristoff, Tulio and Chel go to rescue their friends, little does any realise that an even darker and powerful force is spreading...