Question: The 2017 DC Animated Universe comic released in 2017 appeared at what Comic-Con?

Context paragraphs:
List of DC animated universe characters: The DC animated universe was a series of shows and feature-length films that aired or were released during the period from 1992 through 2006 and featured many characters from the DC Comics roster.  While many characters played important or ongoing roles in the series, many more appeared only in the background.  This is a list of characters appearing in the related shows and films.  The information is broken down by production and sorted by original air date or release date.

DC Animated Movie Universe: The DC Animated Movie Universe (DCAMU) is a term used for a series of animated films based on The New 52 continuity.  The universe was introduced in "".  These films are part of the DC Universe Animated Original Movies but don't share continuity with films outside of the DC Animated Movie Universe.

Legion of Super Heroes in the 31st Century: Legion of Super-Heroes in the 31st Century is a DC Comics comic book based on the Warner Bros.  Animation-produced TV series "Legion of Super-Heroes" airing since fall 2006 on The CW, which in turn is based on the original DC super-team of the same name appearing in various DC titles since 1958.  The comic is set in the DC Animated Universe as opposed to the mainstream DC Comics Universe, in which the original Legion exists; but, like the TV series, features stylized versions of characters from the original Legion.  The comic is written by J. Torres, with art by Chynna Clugston-Flores.  The series ran for twenty issues.

DC animated universe: DC Animated Universe (DCAU or also referred to as the Timmverse by fans) is a name used to refer to the shared universe centered on a group of animated television series based on DC Comics, produced by Warner Bros.  Animation from the early 1990s to mid-2000s; beginning with "" in 1992, briefly ending with "Justice League Unlimited" in 2006 and returning with "Batman and Harley Quinn" in 2017.  Some parts of the associated media franchise including direct-to-video feature films and shorts, comic books, video games and other multimedia adaptations are also included in the continuity.

Kevin Conroy: Kevin Conroy (born November 30, 1955) is an American stage, screen and voice actor best known for his voice role as the DC Comics character Batman on the 1990s Warner Bros. television series "", as well as various other TV series and feature films in the DC animated universe.  Due to the popularity of his performance as Batman, Conroy went on to voice the character for multiple films under the DC Universe Animated Original Movies banner and various video games, including the acclaimed "" series.

Static Shock: Static Shock is an American animated television series based on the Milestone Media/DC Comics superhero Static.  It premiered on September 23, 2000, on The WB Television Network's Kids' WB!  block programming.  "Static Shock" ran for four seasons, with 52 half-hour episodes in total.  The show revolves around Virgil Hawkins, an American boy of African descent, who uses the secret identity of Static after exposure to a mutagen gas during a gang fight gave him electromagnetic powers.  Part of the DC animated universe, the series was produced by Warner Bros.  Animation from a crew composed mostly of people from the company's past shows but also with the involvement of two of the comic's creators, Dwayne McDuffie and Denys Cowan.

Justice League Unlimited: Justice League Unlimited (JLU) is an American animated television series that was produced by Warner Bros.  Animation and aired on Cartoon Network.  Featuring a wide array of superheroes from the DC Comics universe, and specifically based on the Justice League superhero team, it is a direct sequel to the previous "Justice League" animated series.  "JLU" debuted on July 31, 2004 on Toonami and ended with the episode aired May 13, 2006.  It was also the final series set in the long-running DC animated universe, which started with "" in 1992.

Superman vs. The Elite: Superman vs. The Elite is an animated superhero film based on "What's So Funny About Truth, Justice & the American Way? ," the story published in the comic book "Action Comics" #775 (March 2001).  The movie was adapted and written by Joe Kelly, who wrote the comic it was based on, and is directed by Michael Chang.  It was released on June 12, 2012.  The film also featured the return of George Newbern as Superman, and David Kaufman as Jimmy Olsen, reprising their roles from the DC animated universe.  It is the 14th film in the DC Universe Animated Original Movies line.

Batman and Harley Quinn: Batman and Harley Quinn is a 2017 American animated film produced by Warner Bros.  Animation and distributed by Warner Bros.  Pictures.  It is the twenty-ninth film in the DC Universe Animated Original Movies series and is written by Jim Krieg and Bruce Timm who has also worked on "".  It has been stated by Timm that he intended and considers the film to be part of the DC Animated Universe but this has not been confirmed by the studio.  It premiered on July 21, 2017 at San Diego Comic-Con International and was released into participating theaters for one night only on August 14, 2017.

Justice League: Doom: Justice League: Doom is a 2012 direct-to-video animated superhero film, loosely based on "", a 2000 comic book storyline by writer Mark Waid that ran in the DC Comics series "JLA".  The film's script was adapted by writer Dwayne McDuffie, and it is directed by Lauren Montgomery.  A sequel to "", the film uses the same character designs by the lead character designer, Phil Bourassa as well as footage from the film in the opening.  It was released on February 28, 2012.  The film also features various actors reprising their roles from the "DC animated universe" and "" respectively.  It is the 13th film in the DC Universe Animated Original Movies line.

Supporting paragraphs: DC animated universe Batman and Harley Quinn
Answer: San Diego Comic-Con International