COSMO MIGHTY MARTIAN #4 (OF 5) CVR A YARDLEY

Cosmo and his team are on a mission to find the mysterious Martian Relics! The crew hopes that they can finally put an end to the evil antics of the Venusian army-but what will Cosmo do when he learns that the final relic resides in the one place they don't dare to enter... the castle of Queen Hesper on Venus?!