Name: Jackson Stark

Nickname: Jax (goes by)

Code Name: Gold Strike

Eye Color: Brown

Hair Color: Black

Family: Stark

Howard & Maria Stark - Grandparents (Deceased)

Tony Stark - Father

Oliana Stark - Mother (Deceased)

Born: August 26, 1989

Age: (as of 2011) 22

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Name: Anastasia Romanoff / Romanova

Nickname: Ana (goes by)

Code Name: Arachne

Eye Color: Hazel

Hair Color: Strawberry blonde

Family: Romanova-Barton

Natasha Romanoff / Romanova - Mother

Amarantha "Amara" Romanoff - Mother

Clint Barton - Father (surrogate)

Tatiana Romanoff / Romanova - Twin sister

Laura Barton - Stepmother

Cooper Barton - Half-brother

Lila Barton - Half-sister

Alyssa Anders - Adoptive sister

Born: October 7, 1982

Age: (as of 2011) 

Actually: 29

In appearance: 20

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Name: Tatiana Romanoff / Romanova

Nickname: Tati

Code Name: Tarantula

Eye Color: Hazel

Hair Color: Strawberry blonde

Family: Romanova-Barton

Natasha Romanoff / Romanova - Mother

Amara Romanoff - Mother

Clint Barton - Father (surrogate)

Anastasia Romanoff / Romanova - Twin sister

Laura Barton - Stepmother

Cooper Barton - Half-brother

Lila Barton - Half-sister

Alyssa Anders - Adoptive sister

Born: October 7, 1982

Age: (as of 2011)

Actually: 29

In appearance: 20

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Cast:

Dylan O'Brien - Jackson "Jax" Stark / Gold Strike

Holland Roden - Anastasia "Ana" Romanoff / Arachne and Tatiana Romanoff / Tarantula

Note: Natasha's age will be explained and changed, as well as the backstory that still fits with what happened with these characters in the original story before rewrites, just making it clear and clearing up confusion and questions from back then.