Unintended Consequences — Michael C. Bailey

No good deed goes unpunished. No sins of the past go unforgotten. A quiet winter ends in chaos when the Hero Squad's darkest secrets are revealed to the world. Every mistake they've ever made, every defeat they've ever suffered, every supervillain they've ever crossed returns to haunt them, threatening to destroy the team from within and from without - and this time, the Squad must face the challenge alone. Because even their allies are against them. Brace yourself for another game-changing adventure in the Action Figures saga!