Cartoon Network: Super Secret Crisis War!: Foster's Home for Imaginary Friends #1

The crossover event of the summer hits Foster's when a dimension-hopping robot sets out to challenge Bloo, Eduardo, and a host of other familiar Friends! Will they pass the test? Or does the fate of Foster's rest in the hands of the house's newest resident?
Plus, a two-page epilogue by Louise Simonson and Derek Charm, delving into the formation of the LEAGUE OF EXTRAORDINARY VILLAINS!!