DC (Universe)/History

Fighters:

 * Superman appears as a Fighter.

Banners:

 * The Man of Steel is based on Superman's insignia.

Fighters:

 * Batman appears as a Fighter.

Banners:

 * The Wayne Manor, which is depicted in the Gotham Knight Banner, debuted in this comic.

Ringouts:

 * Shazam! originates from this comic.

Banners:

 * The Daily Planet originates from this comic.

Maps:

 * The Joker and Catwoman, who make visual cameos on the Batcave Map, debuted in this comic.

Banners:

 * The Gotham Knight Banner is based on Gotham City, which debuted in this comic.

Profile Icons:

 * A Job For... is based on the iconic moments from throughout DC history in which Clark Kent ripped his shirt off to reveal that he's actually Superman. This moment was first seen in this comic.

Fighters:

 * Wonder Woman appears as a Fighter.

Banners:

 * Themyscira Sunset features Themyscira, which debuted in this comic (under the name of Paradise Land).

Ringouts:

 * The Bat Signal originates from this comic.

Fighters:

 * The Lasso of Truth, Wonder Woman's signature weapon, originates from this comic.

Ringouts:

 * Lasso of Truth appears as a Ringout VFX.

Maps:

 * Alfred Pennyworth, who makes a visual cameo on the Batcave Map, debuted in this comic.

Maps:

 * The general concept of a Batcave first appeared in this movie serial.

Fighters:

 * Black Adam appears as a Fighter.

NPCs:

 * The concept of a Batcomputer originated from the episode Clock King's Crazy Crimes.

Banners:

 * Road to Arkham features Arkham Asylum, which debuted in this comic.

Banners:

 * The Wonder Woman Banner is based on Wonder Woman's updated emblem that debuted in this comic.

Profile Icons:

 * Amazonian is based on Wonder Woman's updated emblem that debuted in this comic.

Banners:

 * Themyscira, which is featured in the Themyscira Sunset Banner, got this name in this comic.

Maps:

 * Batman: The Caped Crusader, the first theme song used by the Batcave Map, is an orchestral mix of this film's main theme.

Fighters:

 * Harley Quinn made her debut in this series.
 * Kevin Conroy first voiced Batman in this series.

Variants:

 * Both the The Animated Series and Mad Love variants are based on Batman and Harley Quinn's appearances in the series respectively.

Maps:

 * The Joker's design, as seen in his small cameo from the Batcave Map, is taken from this show.

Banners:

 * Leader of the Pack appears as a Banner.

Fighters:

 * George Newbern first voiced Superman in this show.

Maps:

 * Batman: From Shadow Reborn, the second theme song used by the Batcave Map, is an orchestral mix of this film's main theme.

Banners:

 * The Caped Crusader is based on Batman's insignia from this game.

Fighters:

 * Tara Strong first voiced Harley Quinn in this game.

Fighters:

 * Harley Quinn's default appearance was influenced by her appearance in this film.

Fighters:

 * Harley Quinn's Rebirth design first appeared here.

Variants:

 * Batman's Samurai variant is based on this film.

Variants:

 * Harley's Task Force X variant is based on this film.