Who: Bludhaven - Black Widow, Apollo, Midnighter, Mockingbird, Nightwing + misc.
Gotham - Batman, Bat Family, BoP, Catwoman, Cypher, Spider-Man, + misc.
Metropolis - Captain America, Hal Jordan, Booster Gold, Cyclone, Flash Family, Green Arrow, Miss Martian, Ms. Marvel, Super Family, Tigra + misc.
New York - Agent Coulson, Iron Man, Agent Hill, Arsenal, Blue Beetle, Daredevil, Guy Gardner, Hawkeye, Hulk, Jade, Kyle Rayner, Rogue, Obsidian, Jesse Quick, Speedy, Teen Titans, + misc.
Westchester X-Men.
Anywhere Else - Misc.
When: July 20-21 (ish), 2012
Where: Everywhere
What: The final battle ensues.
( Something was happening. )