Question: In which issue did this fictional character and a supervillain portrayed by Cara Delevingne in the comic book film "Suicide Squad" (2016) first appear?

Context paragraphs:
Suicide Squad (film): Suicide Squad is a 2016 American superhero film based on the DC Comics antihero team of the same name, distributed by Warner Bros.  Pictures.  It is the third installment in the DC Extended Universe (DCEU).  The film is written and directed by David Ayer and stars an ensemble cast featuring Will Smith, Jared Leto, Margot Robbie, Joel Kinnaman, Viola Davis, Jai Courtney, Jay Hernandez, Adewale Akinnuoye-Agbaje, Ike Barinholtz, Scott Eastwood, and Cara Delevingne.  In "Suicide Squad", a secret government agency led by Amanda Waller recruits imprisoned supervillains to execute dangerous black ops missions and save the world from a powerful threat, in exchange for reduced sentences.

Suicide Squad: The Suicide Squad is the name of two fictional antihero teams appearing in American comic books published by DC Comics.  The first version of the Suicide Squad debuted in "The Brave and the Bold" #25 (Sept.  1959), and the second and modern version, created by John Ostrander, debuted in "Legends" #3 (Jan.  1987).  One of the two teams saves the world from an threatening race of savages.

DC Comics: DC Comics, Inc. is an American comic book publisher.  It is the publishing unit of DC Entertainment, a subsidiary of Warner Bros.  Entertainment, Inc., a division of Time Warner.  DC Comics is one of the largest and oldest American comic book companies, and produces material featuring numerous well-known heroic characters including Superman, Batman, Wonder Woman, Green Lantern, the Flash, Aquaman, Hawkman, and Green Arrow.  Most of their material takes place in the fictional DC Universe, which also features teams such as the Justice League, the Justice Society of America, the Suicide Squad, and the Teen Titans, and well-known villains such as the Joker, Lex Luthor, The Cheetah, Harley Quinn, Darkseid, Catwoman, Ra's al Ghul, Deathstroke, Reverse-Flash, Sinestro, Black Adam, and Brainiac.  The company has also published non-DC Universe-related material, including "Watchmen", "V for Vendetta", and many titles under their alternative imprint Vertigo.

Paper Towns (film): Paper Towns is a 2015 American mystery, comedy-drama film, directed by Jake Schreier, based on the 2008 novel of the same name by John Green.  The film was adapted for the screen by Scott Neustadter and Michael H. Weber, the same team that wrote the first film adaption of one of Green's novels, "The Fault in Our Stars".  The film stars Nat Wolff and Cara Delevingne and was released on July 24, 2015, in the United States by 20th Century Fox.  The film follows the coming of age and search by the protagonist, Quentin "Q" Jacobsen (Wolff), for Margo Roth Spiegelman (Delevingne), his childhood friend and object of affection.  In the process, Quentin explores the relationship with his friends including his compatibility with Margo.

Cara Delevingne: Cara Jocelyn Delevingne ( ; born 12 August 1992) is an English fashion model and actress.  She signed with Storm Model Management after leaving school in 2009.  Delevingne won the "Model of the Year" award at the British Fashion Awards in 2012 and 2014 and has appeared in shows for houses including Burberry, Chanel, Mulberry, Dolce & Gabbana, and Jason Wu.  She started her acting career with a minor role in the 2012 film adaptation of "Anna Karenina".  Her first major roles were as Margo Roth Spiegelman in the romantic mystery film "Paper Towns" (2015), Kath Talent in "London Fields", and the Enchantress in the comic book film "Suicide Squad" (2016).

Kids in Love (film): Kids in Love is a British coming of age drama directed by Chris Foggin in his feature-length debut from a screenplay by Sebastian de Souza, and Preston Thompson.  It stars Will Poulter, Alma Jodorowsky, Jamie Blackley, Sebastian de Souza, Preston Thompson, Cara Delevingne and Gala Gordon.  The film is about a group of young friends live their days in London today, imitating art and enjoying a fast-paced lifestyle.  The film had its world premiere on 22 June 2016, at the Edinburgh International Film Festival.  The film was released in a limited release and through video on demand on 26 August 2016, by Signature Entertainment.

Suicide Squad (soundtrack): Suicide Squad: The Album is the soundtrack album to the film of the same name.  The album was released on August 5, 2016, by Atlantic Records and Warner Bros.  Records.  A separate film score album, titled Suicide Squad (Original Motion Picture Score) and composed by Steven Price, was released on August 8, 2016, by WaterTower Music.  The digital edition of the film score album contains eight bonus tracks.  It received mixed to positive reviews by critics, and the Collector's Edition received a Grammy Award nomination for Best Compilation Soundtrack for Visual Media at the 2017 ceremony.  It won 2017 Nickelodeon Kids' Choice Awards for Favorite Soundtrack.

Death of the Family: "Death of the Family" is a 23-issue comic book story arc first published by DC Comics in 2012 featuring the fictional superhero Batman and his family of supporting characters.  The arc spans several titles featuring characters of the Batman family including: "Batman", "Batgirl", "Batman and Robin", "Catwoman", "Detective Comics", "Nightwing", "Red Hood and the Outlaws", "Suicide Squad", and "Teen Titans".  The story involves the return of Batman's arch-enemy, the Joker, and his plan to destroy all of the people Batman has come to rely on over the years: the multiple Robins, Batgirl, Catwoman, Alfred Pennyworth, and Commissioner James Gordon.  The title is a reference to the classic Batman story arc "" (1988), in which the Joker murders Jason Todd.

Enchantress (DC Comics): The Enchantress (June Moone) is a fictional character and a supervillain appearing in American comic books published by DC Comics.  Created by Bob Haney and Howard Purcell, the character made her first appearance in "Strange Adventures" #187 (April 1966).

List of accolades received by Suicide Squad: "Suicide Squad" is a 2016 American superhero film written and directed by David Ayer.  The film stars Will Smith, Jared Leto, Margot Robbie, Joel Kinnaman, Viola Davis, Jai Courtney, Jay Hernandez, Adewale Akinnuoye-Agbaje, Ike Barinholtz, Scott Eastwood and Cara Delevingne.  In the film, a secret government agency led by Amanda Waller recruits imprisoned supervillains to execute dangerous black ops missions and save the world from a powerful threat, in exchange for leaner sentences.

Supporting paragraphs: Cara Delevingne Enchantress (DC Comics)
Answer: "Strange Adventures" #187