Robert Downey Jr. David Fincher's mystery thriller "Zodiac", which was based on a true story. He played the role of "San Francisco Chronicle" journalist Paul Avery, who was reporting the Zodiac Killer case. With all of the critical success Downey had experienced throughout his career, he had not appeared in a "blockbuster" film. That changed in 2008, when Downey starred in two critically and commercially successful films, "Iron Man" and "Tropic Thunder". In the article Ben Stiller wrote for Downey's entry in the 2008 edition of "The Time 100", he offered an observation on Downey's commercially successful summer at the box office: In
Sherlock Holmes: A Game of Shadows to find the delivery man. Holmes, having concealed himself in Watson's office by using one of his urban camouflage suits, reads Watson's memoirs on the typewriter and adds a question mark after the words "The End". After the success of the 2009 film "Sherlock Holmes", a sequel was fast-tracked by Warner Bros. with director Guy Ritchie dropping out of an adaptation of "Lobo" and Robert Downey Jr. leaving "Cowboys & Aliens". It was unclear if Rachel McAdams would appear in the film. McAdams said, "If I do, it won't be a very big thing. It's not a lead part". Warner