Natasha Romanoff

The period from the Avengers' formation through the years before the Snap.

The period beginning with Thanos' Snap and ending with the restoration of the vanished population.

Modern Marvel Canon before the Avengers formally assemble.

The period after the population returns, covering the reorganized post-Endgame world.

The internal conflict that splits the Avengers over the Sokovia Accords and Bucky Barnes.

The final battle against Thanos and his army after the Avengers' time heist.

The Chitauri invasion of New York and the Avengers' first major team battle.

The Avengers' battle against Ultron in Sokovia.

Thanos uses the Infinity Stones to erase half of all life.