Unknown Universe.

Within this universe is a lone planet called Cancri which got an ocean of molten lava and is cover in darkness.

However floating above this planet is a palace which look like multiple Castlevania mixed into one

Sitting on the throne is an cloaked man with flaming red blood eyes and an obsidian mask who is looking at a floating sphere which got 150 universes.

Calamity: "These worlds shall know the true meaning of Calamity" he said then he got up.

He then walk towards the sphere then put a hand on it.

"Let a new universe be merge" he said then the sphere unleash an pulse then a bright light blind him.

All throughout 150 universes everyone got blinded by a bright light especially multiple earths.

Once everyone sight returned everyone on and outside the earth orbit are completely surprise.

However on an island where multiple academics merge with an academy called Unity.

Inside Unity headmaster office is Will Ekta who is looking at multiple screens yet he ain't alone as standing beside him is his wife Lucy (Helltaker) and his son Nephilim.

Will: "Alright then time for Unity to do it job" he said then press a button.

Immediately a pulse was sent all throughout the entire universes which caught everyone attention thus they rush to the island.

Thousands of people are gathered in front of Unity where Will and Unity staff is located however Will and his staff are getting annoyed by everyone

Lucy (Helltaker): "Listen up!" She said which cause everyone to get silent.

Will: "Now then everyone I know you are confused but Unity is here for you all as we handle this kind of situation before" he said confusing a lot of people.

Flash: "Are you saying Unity dealt with an merge?" He said.

Will: "Yes however right now we need to unite as Earth got a lot of threats thus why Unity is willing to help you" he said.

Snotloud: "How do we know you weren't responsible!" He said.

Will: "If we did then we would explain why but for now we got a bigger problem. The governments is in chaos because of multiple types of governments trying to outdo the other" he said which many heroes agree.

Fury (Marvel): "So what do you suggest?" He said which Will explained.

For the next week every government leader is gathered at Unity however upon arrival many soldiers arrested some leaders as Will reveal a lot of their corruption.

Chairman Prescott is arrested for hiding the truth of the Locust War.

The Magic Committee is arrested for switching mewni heir and wrongful imprisonment of it queen.

Many of Republic City council members is arrested for abuse of power and causes wrongful crimes against normals.

The British Ministry of Magic dark side and it Minister is arrested for causing terror in the past while abusing their power.

Mayor bourgeois is arrested for allowing an terrorist to cause terror without getting help from the France government and abuse of power.

Abraham Kane is arrested for being corrupt, bribery, and being an tyrant to a futuristic city of Detroit.

Prime Minister Honest is arrested for manipulating, abuse of power, and corrupt.

Altas council is arrested for abuse of power and slavery of an whole species.

Lance Goldframe mayor of Dimmsdale is arrested for abuse of power and fraud.

Skyway Patrol is arrested for wasting time, Abuse of power, etc.

Men in black is arrested for abuse of power and trying to mind wipe everyone memories.

King Stefan is arrested for abuse of power, child abuse, etc.

Gato is arrested for abuse of power, corruption, killing, etc.

Senator Robert Kelly is arrested for abuse of power and slavery.

Many Marines and Celestial dragons alongside the Elders are arrested for several crimes.

Once the corrupt government leaders is arrested Will suggest that they create an new system which many agree since they see potential in this system.

Thus they formed the United International Collision or UIC for short.

However while the newly form government is busy with Earth far away a great threat have done a lot.

Planet Cancri.

Surrounding the new formed system is many planets like Titan, Apokolips, Vilgaxia, etc.

However at Cancri there is many corpses and broken bodies surrounding Calamity who is pulsing with new energy.

Calamity: "let this be a reminder that you are spare only because I see potential in you unlike these pathetic villains" he said looking at the corpses including the ones outside.

Dead:

Maleficent (Descendants)
Jafar (Descendants)
Unicron (Transformers)
Darkar (Winx Club)
Tom Riddle (Harry Potter)
Sidious (Star War)
Venger (Dungeons and Dragons)
Hawkmoth (Miraculous)
Harbinger (Mass effect)
Zeus (God of war)
Ares (God of war)
Odin (God of war)
Shao khan (Mortal Kombat)
Miyabi Fujisaki (Rosario vampire)
alduin (Elder Scrolls)
The Master (Fallout)
Dark Laser (Fairly Odd Parents)
King Goobot (Jimmy Neutron)
Meldar Prime (Jimmy Neutron)
M Bison (Street Fighter)
Demon King (Seven deadly sins)
Gramorr (Lolirock)
Dante Zogratis (Black Clover)
Lucifero (Black Clover)
The Betrayer (Huntik)
The Source (Charmed)

Alive:
Darkseid
Thanos
Chase Young
Vilgax
Skeletor
Mumm ra
Sosuke aizen
Vlad
Him
Shendu
Aku
Salem
Rizevim
AFO
Nimue
Minaka Hiroto
Zeref
Cobra Commander
Warhok
Ansem
Xemnas
Queen Tyr'ahnee
Lord Dominator
Princess Mandie
Bowser
The Dazzlings: Adagio Dazzle,:Aria Blaze, and Sonata Dusk.
Necrafa
Kronos (Class of the Titans)
Dr. Emmanuel Klipse
Commandant Marshall Charlemagne
Pain (Naruto)

The only ones who ain't beaten is a small group which is lead by Dark Shadow who looks like a fusion of the masked figure from scooby-doo 2 monsters unleashed and yokai from big hero 6 and has green eyes and his mask looks the masked figure's mask but has red tattoos from yokai's mask and without hair basically and mask is black with red tattoos.

This small group have Negaduck, Dr Eggman (movie), Catwoman (Dc superhero girls), and Green Goblin.

Dark Shadow: "So what now Calamity?" He said.

Calamity: "Simple. The Regime of Doom will conquer worlds and destroy any resistance" he said as his eyes glow.