The Flash movie director Rick Famuyiwa is now officially one of the filmmakers who is actively helping to build and expand the DC Extended Universe (which began with Man of Steel in 2013 and continued with Batman V Superman: Dawn of Justice earlier this year). During Warner Bros. Pictures' San Diego Comic-Con 2016 Hall H panel, Famuyiwa took the stage alongside his fellow DCEU directors (Zack Snyder, Patty Jenkins, David Ayer, James Wan, and Ben Affleck), shortly before a teaser trailer for Justice League was shown - providing a better look at the DCEU's Barry Allen (played by Ezra Miller), at the same time.
Famuyiwa is currently in the process of not only researching The Flash movie (that is, reading up on Flash comic book stories), but also casting the film's main players. Among the more important characters in the film will, of course, be Iris West and it's now being reported that Famuyiwa has indeed found his Iris in the form of a tried and true collaborator.
Variety is reporting that Kiersey Clemons has closed a deal to costar in The Flash, with the site's insiders saying it's all but a given that Clemons is playing Iris West - "the tough-as-nails journalist and friend of Barry Allen," as the site puts it. Clemons is also a friend of Famuyiwa, having previously starred in his acclaimed indie comedy/drama, Dope (see the picture above).
Currently, Famuyiwa is drawing from a Flash script draft that was penned by the project's previously-attached director, Seth Grahame-Smith (writer of Abraham Lincoln: Vampire Hunter), and based on a story treatment by Phil Lord and Chris Miller (The LEGO Movie). An unofficial casting report for the film previously described the Grahame-Smith script draft's version of Iris West as follows:
Iris West is described in the breakdown as having Christiane Amanpour’s brains and Carrie Bradshaw’s style. An overcaffinated doe. A reporter at The Central City Citizen. Actresses are currently testing for this part.
Famuyiwa generally has a hand in crafting the scripts for his directorial efforts, so it's a fair bet that he will likewise be re-tooling Grahame-Smith's screenplay for The Flash. He will presumably be tweaking the role of Iris West too, so as to make the character an even better fit for Clemons and to better differentiate the film's version of Iris from the Flash TV show version of the character (who is played by Candice Patton).
Suicide Squad is scheduled to arrive in theaters on August 5, 2016; Wonder Woman is slated for release on June 2, 2017; followed by Justice League on November 17, 2017; Aquaman on July 27, 2018; an untitled DC Film on October 5, 2018; Shazam on April 5, 2019; Justice League 2 on June 14, 2019; an untitled DC film on November 1, 2019; Cyborg on April 3, 2020; and Green Lantern Corps on July 24, 2020. The Flash is currently without a release date.