Complex sentence: The Monster Society was the first criminal group in comics with members from past stories, including Sivana, Ibac, and Captain Nazi, along with new foes, like Herkimer the crocodile man and a multi-headed Hydra.
Split into simpler sentences: The Monster Society was the first criminal group in comics with members from past stories. Among the group's members were Sivana, Ibac, and Captain Nazi, along with new foes including Herkimer the crocodile man and a multi-headed Hydra.