"I've just finished the second draft of the Dinosaurs vs Aliens movie. It's what it kind of says on the tin," he told the newspaper.
The story, which has aliens invading the Earth in prehistoric times, will feature dinosaurs as the protagonists.
He also revealed that he plans to adapt Rogue Trooper for Sam Worthington's company, Full Clip Productions. It is based on the sci-fi strip in the British comic "2000 AD," created by Gerry Finley-Day and Dave Gibbons.
Rogue is a blue-skinned, genetically engineered elite soldier who searches for the Traitor General with his three comrades. His comrades are in the form of biochips on his rifle, backpack and helmet.