According to The Hollywood Reporter, Chris Williams (the co-writer and co-director of Bolt) has come aboard as a director on Big Hero 6 alongside the film's existing helmer, animation vet Don Hall. Tangled producer Roy Conli has also joined the movie as a producer.
IGN: http://www.ign.com/articles/2014/01/02/marvels-big-hero-6-movie-gets-an-additional-director
Big Hero 6 is currently slated for release on November 7.
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I don't know about you but, although I know nothing about this film, I think I'm very exciting to see it. Hope it'll become successful. The trailer should come out soon!
Meet the team:
Short-story:
"Brilliant robotics prodigy Hiro Hamada finds himself in the grips of a criminal plot that threatens to destroy the fast-paced, high-tech city of San Fransokyo. With the help of his closest companion, a robot named Baymax, Hiro joins forces with a reluctant team of first-time crime fighters on a mission to save their city."