The Jurassic Park writer has been hired by Universal Pictures to pen a follow-up to its newly released action adventure, reports Deadline.
Director Rupert Sanders is also in talks to return for a second instalment.
Stars Charlize Theron, Chris Hemsworth and Kristen Stewart are believed to have options for two sequels to the adaptation of the classic fairy tale.
Stewart has already expressed interest in returning to the role of Snow White.
Koepp's previous credits include Angels & Demons, Indiana Jones and the Kingdom of the Crystal Skull, Spider-Man, Men in Black and Death Becomes Her.
Watch a trailer for Snow White and the Huntsman below: