Riddick isn't the only action movie with a cartoon tie-in.  Hugh Jackman will lend his voice to this direct to video Van Helsing movie.  Price will probably be $14.98.

From http://www.dvdtoons.com/news/503:

Van Helsing: The London Assignment
February 03, 2004 (08:01pm)
Reported by: Anthony

Combining thrilling adventure and cutting edge animation, Van Helsing: The London Assignment is the original prequel to Van Helsing that unlocks the incredible story behind Van Helsing and Mr. Hyde.

Deep in the heart of London, the sinister creature, Mr. Hyde, terrorizes the late-night streets in a haunting crime spree. With the city in a panic, the Knights of the Holy Order send Van Helsing into london with the mission of tracking down and capturing the evil Mr. Hyde.

From The Director And Producers Of The Motion Picture Van Helsing Stephen Sommers and Bob Ducsay. Features the voice of Van Helsing star Hugh Jackman.

Loaded with bonus features, including cast and crew interviews and an in-depth look at Van Helsing's groundbreaking special effects.