Morgan acrimoniously left Rick Grimes behind after The Walking Dead's Savior War, then repeatedly expressed regret over doing so throughout his time in Fear The Walking Dead. Furthermore, Morgan was the very first ally Rick Grimes made after The Walking Dead's zombie outbreak began. As such, neither man's story can truly be considered complete until they bury the hatchet and hug it out one last time. After The Ones Who Live, it remains unclear when that moment will come, if it ever does.