The story of Lava and Kusha will soon be released as an animated movie called The Warrior Twins
Meanwhile the animated film Ghatotkacha, based on Bhima's half-rakshasa son, has already hit Cannes:
Hmm, I dunno, they seem to have made him too cutesy, just like the Sahara One version of Hanuman. Indians seem to have a Western-acquired bias that all animation has to look like Mickey Mouse or Porky Pig. The rest of Asia seems to have a more sophisticated attitude.