Infinivaders

From publisher blurb: In this Cartoon Action Hour: Season 3 series book by John Wick, the extra-dimensional conqueror known as Dr. Zen is attempting to merge his darkened world with ours, which will spell doom for us all. Thankfully, heroes have emerged! Armed with objects of power granted to them by the spirits of their various homelands, these brave souls stand at the ready to defend Earth from... the Infinivaders!