Frozen 2 spoilers, news & update: Do Anna & Elsa Have A Brother?

Frozen, the globally popular animated musical fim gets a sequel entitled 'Frozen 2' and is now under development. There are many theories making rounds in the internet about the relationship between Tarzan and the Frozen siblings. Though these theories seem to be authentic and believable, Disney has not yet unraveled major details in the storyline.

Frozen 2 might reveal the possible connection of Tarzan to Anna and Elsa. Director Chris Buck said they reviewed different theories to compile the events in one story. He stated that it took him almost four years to do that, but Buck never affirmed which theory they used in the movie.

One theory suggests that when the Frozen sisters' parents died in a shipwreck during a hard storm, the parents didn't really die and was stranded in an island and had a baby boy named Tarzan.

According to Movie News Guide, when Chris Buck was asked to confirm which theory is used in the film, he said that people can go for whatever they want to believe. He also said that of the people want to connect the stories together, then they are free to do it, because that is the spirit of Disney.

Rearding, the cast of the movie, Kristen Bell will return and will still voice as Anna. But rumor making rounds on social media claim that Demi Lovato will replace Idina Menzel to portray as Elsa.However, there is still no official statement regarding the final casting of Frozen 2. But Josh Gad will return to voice as the cute and chill Olaf in the upcoming movie.

The creative team is taking its time to finish the film. In an interview with Movie News Guide, Disney's CEO Robert Iger stated that they are not demanding speed, but are demanding excellence. It's highly possible that Disney will still take its time even if they will be delayed in releasing the movie. The movie is said to take over theaters in 2019 according to a report on MTV.