The War of the Two Brothers is a conflict between two godly brothers personifying the Marvel and DC universes, involving a series of battles between each universes respective heroes. Most of these battles were duels.
Superman attacks Avengers Tower
On June 14th 2013, the Blue God transported the Superman from Man of Steel to the Marvel Cinematic Universe.
The combined might of the Avengers meant that Superman lost this battle and lost badly.
Holy War begins
Following this initial attack, the followers of the two gods begin to fight each other. Between 2013 and 2016, the only battles are those fought between the worshipers each respective god.
A few years pass before the Red and Blue Gods are ready to send superheroes to attack each other's universe.
Phase 1 of the Conflict
Duel of the Peak Humans: 2016
On March 25th 2016, Captain America battled Batman in Brooklyn, New York, .
On May 2016, a battle was fought between Iron Man and Green Lantern in the skies above Coast City.
Duel of the Strongest: Hulk vs Superman
On July 2016, the Hulk was transported to the DC Universe to battle Superman.
On September 2016, Martian Manhunter battled the Vision on Olympus Mons.
November 2016, Black Panther battled Aquaman.
On January 1st 2017, the Suicide Squad battled the Guardians of the Galaxy.
March 10th 2017, Hawkeye battled Green Arrow.
Concurrently with the Duel of the Archers, Black Widow and Black Canary were sent to battle each other.
On May 9th 2017. Diana of Themyscira the daughter of Zeus, battled Thor of Asgard, son of Odin.
In July 9th 2017, Ray Palmer the Atom and Scott Lang the Ant-Man battled in Ivy Town.
A battle between Dr Strange and the Flash, that takes place on September 18h 2017.
Duel of the Rookies: Spider-Man vs Cyborg
The penultimate battle of phase one took place in November 2017 and was between Spider-Man and Cyborg.
In December 2017, the first full on battle occurs between the Avengers and the Justice League.
Phase 2 of the Conflict
Duel of the Billionaires
In March 2018, the opening duel of Phase 2 is a battle between Bruce Wayne (Batman) and Tony Stark (Iron Man).
Battle of the Wings
In June 2018, on the DC side is Hawkman and Hawkgirl, on the Marvel side is Falcon and the Wasp.
Duel of the Witches
In September 2018, there is a battle between Zatanna and Scarlet Witch.
Duel of the Captain Marvels:
In March 2019, there is a battle between Shazam and Captain Marvel (Carol Danvers).
In June 2019.
Second Battle of the Superhero Teams
In September 2019, the final battle.