By Evan Bleier If the Kansas City Chiefs are going to make it to the Super Bowl for the third time in four seasons, they’ve got their work cut out for them. At least that’s the way it looks right now following the NFL’s release of the full schedule for the upcoming season, which kicks off with the defending champion LA Rams hosting the up-and-coming Buffalo Bills on September 8 on NBC. One of 13 NFL teams (the 49ers, Bengals, Bills, Broncos, Buccaneers, Chargers, Cowboys, Eagles, Packers, Patriots, Rams and Steelers are the others) with five primetime games on tap, the Chiefs have the most dif…