Urgent Assignment: Invasion Crossroads

A new type of limited-time event emerges!

Multiple universes are crossing with our own in the Savage Land, and time is of the essence in halting the invaders and shutting down the portals!
 * When starting the mission, you can select up to 10 heroes, along with three specific heroes, supplied if the player has not unlocked them (Doctor Strange, John Egbert and Mario)
 * If a hero is KOed during the mission, they cannot be used for the remainder of the mission
 * After defeating an invasion, their commanders emerge, bearing extravagent boss prizes if defeated!
 * After defeating all three Invasions, the Portals can be attacked!