NCsoft Europe and Cryptic Studios today announced the release of the newest expansion to City of Heroes, Issue 10: Invasion where City of Heroes and City of Villains players join forces to counter an attack by the evil Rikti aliens. The expansion, free to current subscribers, includes a major redesign of the Rikti Crash Site zone as well as a Rikti co-op task force where heroes and villains team up to defeat the toughest alien bosses.