This is indeed great news. The president and founder of Madhouse, Masao Maruyama, has revealed that Ninja Scroll director, Yoshiaki Kawajiri, is working in the production of a new web anime called Ninja Ten Battles. It is said that this series will be the stepping stone for a possible film.There's not much details right now but the story goes around a cross-dressing swordsman that fights ninja.
If you enjoyed the art and raw violence of Ninja Scroll, this is it for you! And when it comes to Madhouse, nothing fails! XD