Reading age:  5 - 7 years old. 
 
When ordinary boy Marvin wears his super-suit he becomes MARV. A superhero with infinite powers . . .

In this story, Marvin meets a blast from his grandad's past when the Duck of Doom shows up at the park, controlled by a new generation of super villain-Professor Feather 2.0.
It's time for Marvin to become MARV-unstoppable, invincible, and totally MARVellous!

With the Ducklings of Doom also hot on his heels, the odds are quacked against Marv. He's going to have to ruffle some feathers in order to put these dastardly ducks back in their place.