Downey: No plans in the pipeline for Iron Man 4

Robert Downey Jr says there are no plans for a fourth 'Iron Man' movie.

The 'Sherlock Holmes' actor - who stars as the superhero in the eponymous franchise as well as the 'Avengers' movie series - admitted there is nothing in the pipeline for Tony Stark's solo adventures following the release of 'Iron Man 3' last year.