Avengers Assemble (2012) #15

ULTRON RULES OK! The AGE OF ULTRON hits Britain, and Captain Britain hits back with a little help from his friends - including a vacationing Captain Marvel! Fighting a guerilla war in the ruins of London, AGGRO! is a way of life for Avengers UK - but when they might just be the last super heroes left alive, can there still be hope? Or is England dreaming?