Cosmo is a Mighty Martian with the skills of a warrior and a heart of gold! He's the leader of his trusty M.A.R.S. unit that explores the solar system looking for action and excitement. This epic space action/adventure/comedy series from writer Ian Flynn and artist Tracy Yardley is filled with out-of-this-world fun for readers of all ages.

comiXology Unlimited

Collected Editions