Shrek Frozen Over

Shrek: Snow Laughing Matter is an upcoming 2018 crossover film produced by Disney and Dreamworks Animation.

Plot
The Snow Queen {from Hans Christian Anderson's original tale} loathes Shrek and Fiona's realationship because it reminds her of her own heart-broken past. She also loathes Arrendale for it's connections to her old enemies, Kai and Gerda. She vows to destroy both by ruining a trade agreement between Arrendale and Far, Far Away, escalating it into a full out war.

Trivia
* We see Pabble's past and how he is so knowledgeable about those with ice powers in this film.

* We also learn that Anna and Elsa are descended from Kai and Gerda, protagonists of the original "snow Queen tale."

* Anna's belching contest with Fiona slightly mirrors the burping scene from the original Shrek film.