They're Here

Heroes

 * Cyborg
 * Red Hood
 * Beast Boy
 * Raven
 * Artemis
 * Martian Manhunter
 * Flash
 * Oracle
 * Nightwing (cameo)


 * Blue Beetle (Jaime Reyes)

Villains

 * Catman
 * Jokester
 * Clayface
 * Deathstroke
 * Ra's al Ghul (cameo)

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 * Then vs Now

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 * 4 Robins