Pietro Maximoff

"You didn't see that coming!"

--- Pietro Maximoff

Pietro Maximoff (aka Quicksilver) is the brother of Wanda Maximoff.

Personality
Pietro was depicted as a in-your face villain in Age of Ultron.

Biography
Wanda and Pietro were once trapped under a Stark bomb, which had killed their parents, they were stuck for two straight days until being rescued, because of this they hated Tony Stark.

Years later, he worked with HYDRA to kill Tony Stark, they were recruited by William Strucker, and had projects tested on him and Wanda, giving them powers. He helped fight with HYDRA against the avengers, but lost the battle, causing HYDRA to fall.

Later, he joins forces with Ultron, to stop the avengers, and fought in a few battles against them, which resulted in problems for the avengers, such as hulk destroying the city.

Shorty after, Pietro joins the avengers, betraying Ultron, he helps save Hawkeye and a young boy, but dies while doing so, scaring Wanda for a long time.

Wanda
In WandaVision, ten years after Pietro initially died, she still hasn't fully excepted the facts, and she doesn't tell Billy or Tommy about what happened to Pietro

The Imposter
An imposter pretending to be Pietro once told Wanda he was Pietro, but Wanda eventually saw past this, and refused to see the Imposter again.

Family

 * Sister: Wanda Maximoff
 * Brother in-law: Vision
 * Nieces: Billy Maximoff, and Tommy Maximoff

Allies

 * The Avengers
 * Hydra (Formerly)
 * Ultron (Formerly)

Enemies

 * Ultron (Former ally)
 * Tony Stark (Formerly)