1. The Skrulls are among us! The Runaways and the Young Avengers both have a Skrull on their team. Is this mere coincidence or something more sinister?
2. Things look bleak for the future of the Marvel Universe. Xavin has turned on the Runaways. Hulkling is out of commission. Can the rest of the Runaways and Young Avengers keep it together? Heck, can they survive?
3. The teams are split up, but can they come together and stop the Invasion? Can Hulkling become the Messiah he has been prophesied to be? Is Xavin lost forever?