The Omnidroid City

 is an attraction released with the Incredibles Event Update on 15th June 2016. It is unlocked after completing the Take Down Downtown quest.

It was released again, losing it's limited time status, with the Earth Day, Easter Update on 12th April 2017. It can be purchased with Elixirs from Merlin's Cauldron by players who did not obtain it during the initial event.

Trivia

 * was a Legendary Chest prize in The Incredibles Chest Promotion on 6th January 2017.
 * The rewards decreased from XP (23), Magic (115) to XP (14), Magic (80) with the Earth Day, Easter Update on 12th April 2017.