MUMBAI: Looks like sequel-mania has got a grip on Hollywood. DreamWorks Animation will launch a follow-up to How To Train Your Dragon in 2013.

The 3-D animated film, having grossed almost $375 million worldwide, is being touted as a strong franchise candidate.

Another 3-D film, a sequel of Clash of the Titans is also on the cards. Legendary Pictures are aiming for a follow-up in Spring 2012. The film‘s worldwide gross is an impressive $389 million.