John F. Walker

John F. Walker, played by Wyatt Russell, is a character who first appeared in the Marvel series 'The Falcon and the Winter Soldier' and is known for taking on the mantle of Captain America. In 'Mennydörgők*', he faces personal challenges and moral dilemmas, showcasing a more nuanced portrayal of a hero grappling with his past and responsibilities, which adds depth to his character arc.