TRANSFORMERS THE DEFINITIVE G1 COLLECTION VL:22 NATURAL SELECTIONClassic TRANSFORMERS storylines, re presented in sequential volumes! Twenty one years after the end of the original Marvel TRANSFORMERS comic, IDW picked up the dangling story threads and numbering, crafting Regeneration One. In Natural Selection, wayward Dionobot commander Grimlock faces a fateful choice remain trapped in his robot mode (the result of exposure to Nucleon) or make a deal with his hated enemy, Scorponok that may cost him his very Spark.