Bleeding Cool has managed to acquire a snapshot taken at the London Toy Fair that shows off an image from the upcoming 2011 series for Thundercats that will be coming from Cartoon Network this year. The series is being animated by anime studio Studio 4°C which is known for their work on the Animatrix and Gotham Knights. the new series has some known talent behind it with am Register handling the exec producer duties while Michael Jelenic and Ethan Spaulding are producers.
According to what little is known via Wikipedia, "The show has been hinted at explaining Lion-O's climb to the throne with a more original anime feel and darker style. In early November 2010, former Lion-O voice actor Larry Kenney revealed that he would be playing the role of Lion-O and Tygra's father Claudius in the opening three-part episode of the new series."