Is the Joker in Birds of Prey? Depends if you mean Jared Leto. - Polygon
Jared Leto Circling Joker Role in Warner Bros.' 'Suicide Squad' – The Hollywood Reporter
Jared Leto's Joker Might Be Getting A Solo Film, For Some Reason
ICv2: Jared Leto's Joker Film Confirmed
Joker: The True Story Behind Jared Leto's Controversial Version
Other than Jared Leto, if you were the casting director for Suicide Squad who would you cast as The Joker? - Quora
New DC Joker Movie in the Works – What Critics Are Saying
Jared Leto's Joker Will Not Be In Birds Of Prey And New Suicide Squad Movie
The Jokers, Ranked - The New York Times