A third Sherlock Holmes is definitely in the works, says Robert Downey Jr.

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Mar 9, 2018, 11:38 AM EST (Updated)

The best crime-solving duo in turn-of-the-century London is coming back for a third helping. In a new interview with Entertainment Weekly to promote Infinity War, Iron Man Robert Downey Jr. revealed that Guy Ritchie's Sherlock Holmes 3 is "down the pike." Since he previously said that filming would start at the latter end of 2016, it is unclear whether the shoot has finished or production was pushed off. 

"We’re looking at another Sherlock Holmes, we’re developing Perry Mason for HBO. I still want to do Pinocchio," said the 52-year-old Marvel actor, who is about to star in the title role of The Voyage of Doctor Dolittle, directed by Stephen Gaghan. 

Downey Jr. began the Holmes franchise with Ritchie and Jude Law (Watson) in 2009. The first movie made $524 million against a $90 million budget, prompting the 2011 sequel Sherlock Holmes: A Game of Shadows. Jared Harris played Holmes' archnemesis Professor James Moriarty, and the follow-up (getting a bigger budget of $125 million) made more than its predecessor, $545.4 million.

A Game of Shadows ended in the infamous altercation between Holmes and Moriarty at Reichenbach Falls from "The Final Problem," resulting in the apparent deaths of both men. However, as Watson finishes up his account of the mystery, a disguised Sherlock gets up to add a question mark to the entire story, so we're definitely going to need a third movie to explain how he survived.

More than that, Ritchie sort of revitalized the stuffy Victorian character by infusing Sir Arthur Conan Doyle's creation with more action and humor. Combined with Downey's excellent performance, this film series really shouldn't end at just two installments. 

As for Downey's other projects, Perry Mason will be a remake of the popular legal drama series that ran from the late 1950s to the mid-1960s. The Pinocchio movie he mentioned will be directed by Ben Stiller and star Downey in the roles of both Pinocchio and Geppetto. Adam Driver (Star Wars: The Last Jedi) and Amy Adams (Arrival) are set to play Jiminy Cricket and the Blue Fairy, respectively. In July of 2015, Paul Thomas Anderson (Phantom Thread) was hired to rewrite the script for Warner Bros.