Crisis on Earth-X, Part 2

Synopsis
Barry and Iris's wedding brings the gang together, but things go awry when villains from Earth-X attack the ceremony. All of the superheroes band together with help from their super friends like Citizen Cold, The Ray, Felicity Smoak, Iris West and Alex Danvers to take on their most formidable villains yet. Earth's mightiest heroes - Green Arrow, Supergirl, The Flash and White Canary - lead their teams into battle to save the world.

Protagonists

 * Team Arrow
 * Green Arrow (Oliver Queen)
 * Felicity Smoak
 * Mister Terrific (Curtis Holt)
 * Wild Dog (Rene Ramirez)
 * Black Canary (Dinah Drake)
 * Team Flash
 * The Flash (Barry Allen)
 * Iris West
 * Killer Frost (Caitlin Snow)
 * Harrison Wells
 * Super Friends
 * Supergirl (Kara Zor-El)
 * Alex Danvers
 * Legends
 * White Canary (Sara Lance)
 * Firestorm (Martin Stein)
 * Firestorm (Jefferson Jackson)
 * Heat Wave (Mick Rory)

Antagonists

 * Nazis
 * Dark Arrow (Oliver)
 * Overgirl (Kara)
 * Prometheus (Tommy Merlyn)
 * Reverse-Flash (Eobard Thawne)

Teams and Organizations

 * S.T.A.R. Labs
 * Nazis
 * SS

Objects and Concepts

 * Supergirl Suit
 * Kal-El's Blanket
 * Green Arrow Suit
 * The Flash Suit
 * Killer Frost Suit
 * CFL Quark Matter
 * Waverider
 * White Canary Suit
 * Expandable Batons
 * Firestorm Suit
 * Quantum Splicer
 * Firestorm Matrix
 * Dark Arrow Suit
 * Overgirl Suit
 * Prometheus Suit
 * Reverse-Flash Suit
 * Breach
 * Inter-Dimensional Extrapolator
 * Kara Danvers' Glasses
 * Bows and Arrows
 * Oliver Queen's Bow and Arrow
 * Oliver's Bow and Arrow
 * Heat Gun

Locations

 * Earth-X
 * Earth
 * New Reich
 * Earth-1
 * Earth
 * United States of America
 * Star City
 * Bunker
 * Central City
 * S.T.A.R. Labs
 * Pipeline