When the Sky Falls- TMNT X ROTTMNT Crossover

((Cover Art Found on Tumblr, Made by Taetei)) Two worlds are stuck sent into a collision course as one world is brought to a brutal end, and one survivor has to explore a new world he is thrown into- which happens to be an alternate universe. Mikey had lived through life as a mutant, and survived an apocolypse on a te...