Seeing their boyfriends as hostages

Here's The Flame Princess and Ortensia seeing their boyfriends Finn and Oswald the Lucky Rabbit begin keep as hostages by the monster on his hand that if they give one more step, they will be crushed and killed like bugs. They will save them?

Finn and The Flame Princess are owned by Pendleton Ward.
Oswald the Lucky Rabbit and Ortensia are owned by Disney.