How I would remake the DCEU | Phase 1 - "Introductions"

I made a fanfiction out of irritation with the IRL DCEU and ended up writing 4 phases lasting about 15 hypothetical years of a Cinematic universe. Here is the 1st Phase

Main Castings (Alphabetical by Character initial) (*=My Casting)
Abin Sur - Luke Evans*
Alfred - Jeremy Irons
Amanda Waller - Viola Davis
Aquaman - Jason Momoa
Ares - David Thewlis
Atlanna - Nicole Kidman
Batgirl (Barbara Gordon) - Alexandra Daddario*
Batman - Ben Affleck
Black Manta - Yahya Abdul-Mateen II
Captain Boomerang - Jai Courtney
Deadshot - Jackie Earle Haley*
Flash (Barry Allen) - Lucas Till*
Green Lantern (Hal Jordan) - Chris Pine*
Harley Quinn - Margot Robbie
Iris West - Kiersey Clemons
Jim Gordon - J.K Simmons
Joker - Jared Leto
Lex Luthor - Bryan Cranston*
Lois Lane - Amy Adams
Martha Kent - Diane Lane
Mera - Emilia Clarke*
Ocean Master - Patrick Wilson
Rick Flag - Joel Kinnaman
Robin (Jason Todd) - Curran Walters
Sinestro - Mark Strong*
Superman - Henry Cavill
Thomas Curry - Temuera Morrison
Wonder Woman - Gal Gadot
Zod - Michael Shannon

00:00 Introduction
02:18 Man of Steel
02:46 Wonder Woman
03:35 Batman
07:14 The Flash
09:26 Green Lantern Corps
11:15 Aquaman
11:40 The Trinity
16:07 Justice League
18:16 Outro