21 was ODY-C vol. 2 by Matt Fraction and Christian Ward. I thought it was awful, tbh! The first volume was a trippy gender-flipped take on the Odyssey in space, but this volume triples down on the sexual violence and gets in a cul-de-sac with its take on Menelaus and Helen. Definitely made me put both books in the resale pile, and I don't regret it.