Issue: #3
Still on the run, Heidi and Rex land on the strangest, most dangerous planet yet. Filled with primordial creatures and the even deadlier battle tech of Higher Earth, Heidi and Rex are quickly running out of places to hide...
Creators: Phil Noto, Michael Golden, Andrew Crossley, Bryce Carlson, Nelson Daniel, Francesco Biagini, Frazer Irving, Sam Humphries, Ed Dukeshire, Dafna Pleban, Zach Howard, Sanford Greene