Conversations at 8508

"What number Rambo is this?"
"Four."
"Wasn't the first one called 'First Blood'?"
"Yes."
"When did they just start calling them Rambo?"
"Technically the third installment, which was Rambo 3."
"What was number 2 called?"
"Rambo: First Blood Part 2."
"Wouldn't that make it 'Second Blood'? So shouldn't this one be 'Fourth Blood'?"
"..."