after joining the mission: impossible team, John Voight's Mission impossible team, in "Mission: impossible 2", Tom Cruise / Ethan Hunt decides he doesn't want his future career and life to happen.. he doesn't want ANY of it to happen.. he doesn't want to become something like a professional assassin and persecuter of women who are his best friends like emmanuel beart, along with many, many other sins and crimes of future ethan hunt...

.... so in "Mission impossible 2 and 3", ethan Hunt arranges, orchestrates, does something with the official CIA dream technology, MK-Ultra to ensure that his future history, that his own ethan hunt's future history .. DOESN'T HAPPEN...