'Assassin's Creed' Trailer: Michael Fassbender figures out his family history

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Thanks to Jimmy Kimmel Live, we can officially show you the "Assassin's Creed trailer.

The Assassin's creed movie gets its material from the Assassin's creed video game.

We all want to figure out our family history.

Well, Michael Fassbender's Callum Lynch has figured out his family his in a way that none of us ever have.

There is a life changing invention that can show you your genetic memories, and Marion Cotillard works for the company that came up with the invention.

Callum uses it and experiences a day in the life of his relative Aguilar, who lived in 15th century Spain.

Callum finds out that he comes from a secret society called The Assassins and he learns everything he needs to know so he can fight the Templar organization in his own time.

"Assassin's Creed" will be playing at a theater near you on December 21.