AJ Watson: Codename - Shadow

Growing up, you are best friends with Steve Rogers, Bucky Barnes, and Bucky's older sister Rebecca "Becca" Barnes.

In 1942 at the age of just 18 you decide to join Steve in enlisting in the army, not wanting to be left out, Becca joins you two and the three of you get chosen by Erskine for his Super Soldier program.

Steve receives the normal serum, Becca receives a serum that turns her into the first ever super soldier mimic thanks to her photographic memory, while you get both serums called the Apex serum making you the ultimate soldier. You are an expert marksman as well as the most intelligent human and best at combat.