Isabella sermon as-
Elizabeth,
The Sapphire Soldier

Ty Simpkins as-
Alexander,
The brother

All rights go to Stan Lee, not me. Elizabeth, Alexander, and their life before the avengers are the only thing I own.

Extra:

File-
Biological father

Name: Unknown
Age: Unknown
DOB: Unknown
Employment: Hydra agent 
Status: Deceased
Family: Elizabeth- Daughter, alive. Alexander- Son, alive 

File-
Biological mother

Name: Unknown
Age: Unknown
DOB: Unknown
Employment: Hydra scientist
Status: Deceased
Family: Elizabeth- Daughter, alive. Alexander- Son, alive