Welcome to Super Hero City, a crowded capital of classy crusaders and crafty criminals in a crammed collective, and home of the Super Hero Squad! Take a stroll down to the Xavier Institute, past the FF's Baxter Building ... but don't stray too far, because dastardly Doctor Doom's domain is the next block over...!"--P. [4] of cover.

Enter Villainville, just across the river from Super Hero City, and meet all the biggest bad guys, from Dr. Doom to Magneto and from Doc Ock to Loki.

"A tornado has slammed into Villainville! Under the rubble, several villains send out a distress call, and the Squad decides it is their duty to launch a rescue mission. Captain America's quick thinking convinces Dr. Doom that the Squaddies and the baddies need to work together. But how long can the sneaky villains keep the truce?"--P. [4] of cover.

When a Fractal turns a paleontologist into a dinosaur, Speedball joins the squaddies in the Savage Land to stop him from commanding the dinosaurs to take over the world.

Trouble comes in threes, and if they want to save the day, the squaddies have to act like a team, even when they do not get to work with the team members they like best.

When one of the shattered Infinity Sword's fractals mutates a jellyfish into a slime monster, Reptil, Hulk, Iron Man, Silver Surfer, Falcon, Thor, and Wolverine must find a way to stop it.

While studying a captured Sentinel robot to create a spell that will disable it, Dr. Strange accidentally mis-spells and creates a swarm of dozens of tiny mini-Sentinels. It's chaos in the Squad HQ! Strange and the rest of the squad have to act fast to round up all the tiny robots!