Super Hero Squad: Iron Man's Super Power Mix-Up (Marvel Super Hero Squad (LB Kids Paperback))

The Superhero Squad gets a distress call from another city when their Helicarrier breaks down. Iron Man thinks this would be a great time to test out his newest gadget, a power amplifier. It is supposed to make everyone's powers stronger for a limited amount of time, but instead it switches all of their powers! The Squaddies now have to learn how to deal with their new powers and fix the Helicarrier before the city is destroyed!