Mk-9, code-named the Assassin, was an android from 12,000 years into Earth's future, a world dominated by machines. He was sent back to alter history to ensure the existence of his master, the super-computer Baal. The destruction of three men was ctirical. matt Murdock/ Daredevil. Foggy Nelson and Tony Stark/ Iron Man. As the enigmatic Mr. Kline, he manipulated a host of heroes and villians to this end. As his plane came to fruition, the Final Sons of Man, pair from 3,000 years after Ball's time, traveled back to the present. They destroyed Kline to prevent him from altering history, then vanished back to their own time.