Ronald was discovered by Hydra as an young boy. He was kidnapped and made him their Super-Soldier. giving him the shield. Ronald decided to get out alive. he looked around and he saw half of all the population fading away.
Beyonder Appeared to Ronald Davis and he noticed he was worthy being an challenger to his battle world. Ronald appeared to Beyonder's Battle World. he met the Avengers in an Challenge.
Spider-Man: Secret Society (As an civilian)
Avengers: The Last Stand (As Captain Deadly)