What If Justice League: Mortal started the DCEU?

The Earth-52 in my Marvel/DC Multiverse (link here: (https://ideas.fandom.com/wiki/Marvel/DC_Multiverse_%28_xitzjohn_%29).

Credit to @just.another.fancast.account on Instagram (https://www.instagram.com/just.another.fancast.account/?hl=en) for literally 90% of this.

Movies
Release Date: May 14, 2013
 * Man of Steel

Director: Ridley Scott

Rating: PG-13

Plot: For the past few years, Metropolis has been enamored by their mysterious guardian angel: an alien known as Superman (Henry Cavill). Little do they know, Superman secretly lives among them as mild-mannered journalist Clark Kent. In his ordinary life, Clark works at the Daily Planet alongside stern editor Perry White (Lawrence Fishburne), ambitious but reckless reporter Lois Lane (Amber Rose Revah), and young photographer Jimmy Olsen (Skyler Gisondo). He also lives on a quaint farm with his adoptive parents: Martha and Jonathan Kent.

After Credits: Lex (Bryan Cranston) sits in his office, carefully adjusting his toupee. His eye is drawn to something on his desk: a joker playing card with a phone number written...

Deaths: John Corben/Metallo

Protagonists: Clark Kent/Superman, Lois Lane, Perry White, Jimmy Olsen, Jonathan Kent, & Martha Kent

Antagonists: John Corben/Metallo & Lex Luthor Release Date: May 7, 2015
 * The Batman

Director: Nicolas Winding Refn

Rating: R

Plot: Bruce Wayne (Milo Ventimiglia), Gotham City’s renowned billionaire playboy, trudges through mountains in the midst of a snowstorm. After briefly hallucinating a young boy, Bruce arrives on the doorsteps of Nanda Parbat, home of the League of Assassins. When Ra’s al Ghul (Navid Negahban) questions his return, Bruce confesses he has become the thing he fears the most: a murderer. With no reason to stay in Gotham, he wishes to be reinstated into the League of Assassins. Over the course of his training, we get a glimpse into Bruce’s troubled past through flashbacks. Batman takes up orphan Jason Todd (Cameron Monaghan) as his new sidekick after Dick Grayson (Dylan O'Brien) abruptly quits. However, Jason begins showing violent tendencies early in his career.

After Credits: An alleyway surgeon is horrified after unwrapping face bandages from an unseen patient. Suddenly, a familiar voice angrily demands a mirror. The surgeon explains that his face been permanently discolored. Nevertheless, Joker (Adam Driver) starts cackling as he limps away.

Deaths: Jason Todd/Robin

Protagonists: Bruce Wayne/Batman, Dick Grayson/Nightwing, Jason Todd/Robin, & Alfred Pennyworth

Antagonists: Ra's al Ghul, Joker, & Harleen Quinzel/Harley Quinn Release Date: September 8, 2015
 * Wonder Woman: The Amazon Warrior

Director: Patty Jenkins

Rating: PG-13

Plot: Many years ago, Queen Hippolyta (Lynda Carter) has an affair with a mortal man. Unfortunately, she refuses to give up her throne on Amazon Island and executes her lover to avoid any temptation. Afterward, she glances over at the infant left surviving, and feels a form of sympathy. In the 1940s, Hippolyta’s adventurous daughter, Diana (Gal Gadot), lives privileged but isolated. One day, an American pilot named Steve Trevor (Chris Pine) crash lands with a grave message. In the midst of World War 2, a renowned explorer known as Vandal Savage (Rodrigo Santoro) has allied with the Nazis to uncover a mysterious weapon: a Mother Box.

After Credits: In the modern era, Diana Prince is approached by an older man claiming to be a detective. Suddenly, J'onn J'onzz (Peter Mensah) changes into his natural form, and gravely tells Diana that a powerful threat is coming...

Deaths: Isabel Muller/Dr. Poison

Protagonists: Diana Prince/Wonder Woman, Steve Trevor, & Queen Hippolyta

Antagonists: Vandal Savage & Isabel Muller/Dr. Poison Release Date: March 25, 2016
 * Batman & Superman: World's Finest

Director: Ridley Scott

Rating: PG-13

Plot: In Gotham City, Batman battles dozens of thugs working for criminal mastermind Edward Nigma (Danny Pudi). When the dust settles, Batman finds Nigma dead, with a twisted grin on his face. Bruce and Alfred (Jeremy Irons) are shocked to realize Joker is alive. After more investigating, the two realize Riddler had recently obtained a supply of green rocks capable of weakening Metropolis’ beloved hero: Superman. Meanwhile, Clark Kent and Lois Lane spend their time searching for dirt on sleazy billionaire industrialist and war profiteer Lex Luthor.

After Credits: When a mysterious portal opens over Amazon Island, Queen Hippolyta protects her most prized treasure: another Mother Box. Suddenly, Vandal Savage drops from the sky with a sinister grin...

Deaths: N/A

Protagonists: Clark Kent/Superman, Bruce Wayne/Batman, Lois Lane, & Alfred Pennyworth

Antagonists: Lex Luthor, Joker, Edward Nigma/Riddler, & Vandal Savage Release Date: July 14, 2016
 * The Flash vs. Reverse-Flash

Director: The Wachowskis

Rating: PG-13

Plot: Barry Allen (Jonathan Groff) is a forensics scientist living in Central City with his girlfriend Iris West (Elizabeth Henstridge), and her nephew Wally (Lucas Till). After a lightning bolt knocks him into various chemicals, Barry finds himself blessed with superhuman speed, which he uses to stop petty crimes under an alias: the Flash. Barry keeps his double life from Iris and Wally, not wanting to potentially put them in danger. Silas Stone (Richard Roundtree), a S.T.A.R. Labs scientist who raised Barry after his parents died, is the only person to know his secret identity. One day, a speedster named Emberly Thawne (Jessica Chastain) is sent from the future with one job: kill Barry Allen.

After Credits: Barry helps Silas clean up S.T.A.R. Labs and offhandedly asks how his son Victor (Joivan Wade) is doing. After more small talk, Barry picks up a mysterious device Thawne dropped during battle. He pushes a button, unveiling a newspaper from the future: “FLASH KILLED IN DEVASTATING CRISIS...”

Deaths: N/A

Protagonists: Barry Allen/The Flash, Iris West, Wally West/Kid-Flash, & Silas Stone

Antagonists: Emberly Thawne/Reverse-Flash Release Date: October 11, 2016
 * Green Lantern Corps

Director: Travis Knight

Rating: PG-13

Plot: John Stewart (John David Washington) is honorably discharged from the marines after years of service. However, he finds adjusting to civilian life is easier said than done. Meanwhile, a Green Lantern named Abin Sur (Brad Dourif) crash lands on Earth after being fatally wounded by Atrocitus (Patrick Wilson), the rage-driven leader of the rival Red Lantern Corps. With his final breath, Abin sends his ring to choose a successor; someone with immense willpower and the ability to overcome fear. John Stewart is selected and is immediately transported to the planet Oa, home of the esteemed Green Lantern Corps. Hal Jordan (Tom Cruise), Thaal Sinestro (Luke Evans), Kilowog (Kevin Michael Richardson), and Tomar Re (Thomas Middleditch) take it upon themselves to train their eager new recruit. While on a mission to Earth, Hal admits he occasionally misses his old life, especially his childhood friend Carol Ferris (Katie Holmes). Meanwhile, Sinestro is desperate to avenge the death of his mentor: Abin Sur. Eventually, John, Hal, and Sinestro learn the Green Lantern Corps had failed to save Atrocitus’ planet many years ago.

After Credits: Sinestro begins researching an ancient entity that feeds off fear to gain power...

Deaths: Abin Sur & Atrocitus

Protagonists: John Stewart/Green Lantern, Hal Jordan/Green Lantern, Thaal Sinestro, Kilowog, Tomar Re, Carol Ferris, Abin Sur

Antagonists: Atrocitus & Red Lantern Corps Release Date: January 29, 2017
 * Aquaman

Director: James Wan

Rating: PG-13

Plot: On the shores of the Caribbean, lighthouse keeper Thomas Curry (Delroy Lindo) finds an injured woman washed up on the beach: Queen Atlanna of Atlantis (Jada Pinkett). The two fall in love and have a son together until Atlanna is forced to return home and rule Atlantis. Over thirty years later, Arthur Curry (Aldis Hodge) uses his abilities to become a local celebrity in his village. One day, Princess Mera (Jessica Lucas) and Nuidis Vulko (D.B. Woodside) arrive with a from Atlantis: Queen Atlanna is on her deathbed. Her son, Orm Marius (Dev Patel), is next in line for the throne and is plotting to lead them into a costly war against mankind.

After Credits: Arthur takes some time to relax at a bar, where he is approached by Diana Prince and V’ikktor J’onzz. After explaining they are assembling a team, Arthur immediately declines, laughing off their warning of an impending invasion. The two leave and Arthur returns to his drink...

Deaths: Queen Atlanna

Protagonists: Arthur Curry/Aquaman, Mera, Queen Atlanna, Thomas Curry, & Nudius Vulko

Antagonists: Orm Marius/Ocean Master Release Date: April 24, 2017
 * Justice League

Director: Zack Snyder

Rating: R

Plot: In the 1940s, Vandal Savage is accidentally transported to the planet Apokolips after coming into contact with a Mother Box. After seventy years of torture and brainwashing, Vandal is partnered with the vicious warrior Steppenwolf (Ciaran Hinds) to obtain the other Mother Boxes on Amazon Island and Atlantis, so they can terraform Earth into a new Apokolips. Steppenwolf, desperate to prove his worth, readily accepts the job. Vandal arrives at Amazon Island and is overpowered by Queen Hippolyta after a battle. Wonder Woman and Martian Manhunter assemble Superman, Batman, and The Flash. Eventually, Green Lanterns John Stewart and Hal Jordan are sent by the Corps to help the team. Aquaman also joins after Steppenwolf attacks Atlantis and steals their Mother Box.

After Credits: Superman and the Flash decide to have a friendly race...

Deaths: J'onn J'onzz/Martian Manhunter

Protagonists: Clark Kent/Superman, Bruce Wayne/Batman, Diana Prince/Wonder Woman, Barry Allen/The Flash, John Stewart/Green Lantern, Hal Jordan/Green Lantern, Arthur Curry/Aquaman, J'onn J'onzz/Martian Manhunter, & Queen Hippolyta

Antagonists: Steppenwolf & Vandal Savage