The Invasion Begins is the first part of the 24-part crossover story arc called Dimension Crisis.

Appearing in "The Invasion Begins"

Featured Characters:

Justice League

  • Batman (Bruce Wayne)
  • The Flash (Barry Allen)
  • Superman
  • Wonder Woman
  • Green Lantern (Hal Jordan)
  • Cyborg
  • Aquaman
  • Green Arrow
  • Shazam
  • Red Tornado
  • Atom
  • Aztek
  • Wildcat
  • Zatanna

Supporting Characters:

Gotham City Police Department

  • Commissioner James Gordon
  • Suicide Squad
    • Harley Quinn
    • Poison Ivy
    • Deadshot
    • Killer Croc
    • Killer Frost
    • King Shark
    • Rick Flag
    • Captain Boomerang


  • Doctor Fusionizer (First Appearance)
  • Injustice Society
    • Lex Luthor
    • The Joker
    • Clock King
    • Deathstroke
    • Cheetah
    • Shade
    • Solomon Grundy
    • Doomsday
    • Livewire
    • Parasite
    • Darkseid
    • Mongul
    • Vandal Savage

Other Characters:

  • Nightwing (Mentioned)
  • Batgirl (Mentioned)
  • Red Hood (Mentioned)
  • Red Robin (Mentioned)
  • Robin (Damien Wayne) (Mentioned)
  • Star Sapphire (Mentioned)
  • Huntress (Mentioned)
  • Clayface (Mentioned)
  • Mala (Mentioned)
  • Jax-Ur (Mentioned)
  • Tsukuri (Mentioned)
  • Ultra-Humanite (Mentioned)
  • Penguin (Mentioned)
  • Two-Face (Mentioned)
  • Lobo (Mentioned)
  • Giganta (Mentioned)
  • Plastique (Mentioned)
  • Bane (Mentioned)
  • Brainiac (Mentioned)
  • Batwoman (Mentioned)
  • Catwoman (Mentioned)
  • Batwing (Mentioned)


  • The Secret Lair
  • Gotham City
    • Batcave
    • Watch Tower
    • Arkham Asylum

Synopsis of "The Invasion Begins

The story begins in an secret lair, an cloaked super villain's studies images of dimension traveling. He reflects on the legacy of himself, as well as what he is capable of. He then notes that his rival has always had friends, and that he will have to change that.

In Gotham City, Suicide Squad are chasing the Joker, Two-Face and the Penguin. Harley gets accidentally got thrown out of the car and land in the alley between Gotham City Police Department and an Unnamed Jewel Store which Harley has an idea. She climbs up the ladder of the building and turn on the Bat-Signal because she decided to summon Batman for help. Batman arrives and sees Harley. She explains that Lex Luthor is planning on something with the Injustice Society by taking down both Justice League and Suicide Squad. Batman agrees to join forces with her.

At the Watchtower, Batman told Harley to stay outside of the meeting room. Wonder Woman discovers about the Team War between Suicide Squad and Injustice Society and then the League decide to team up with Suicide Squad for once. Batman tells her that they agree to help.

Back at the hideout, The Injustice Society interrogating Deadshot about Harley's whereabouts but Deadshot refused to tell them.  

All of a sudden, Harley Quinn gets caught by Lex Luthor and the Joker. Lex Luthor is about to kill Harley, until Harley presses a signal given to her by Batman.      

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