Self-Fulfilling Prophecy

A prediction that directly or indirectly causes itself to come true, often despite characters' efforts to avoid it.
The Avengers attempt to reverse a universe-altering catastrophe by traveling through time, encountering alternate versions of themselves, and creating new timelines along the way.
7.7
A soldier trapped in a time loop relives the same day of a disastrous alien invasion, gradually using his repeated deaths to learn how to defeat the invaders.
7.3