The 49-year-old filmmaker says despite being panned by critics, the antihero movie won an Academy Award and was a blockbuster at the box office.
When asked by one of the Twitter users, if he regretted collaborating with Warner Bros on the film, Ayer replied, "Not for a second. Not for one second. I got to work with amazing people. It won an Oscar, did incredible business. Launched a franchise and spin-off.
"And like it or not it's halfway to cult status. I grew as a person, grew creatively. Warners took a chance on me. I'm grateful."
Two spin-offs of the franchise are already in works - one focusing on the love story of The Joker (Leto) and Harley Quinn (Robbie) and second with Quinn as the protagonist.
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