Avengers: Doomsday Needs to Fix The MCU Captain America Problem

Even though Sam Wilson is now the official Captain America in the Marvel Cinematic Universe, his version of the character still feels undefined. His recent appearances in The Falcon and the Winter Soldier and Captain America: Brave New World haven’t clearly shown what kind of Captain America he aims to be. Marvel Studios can resolve this when Anthony Mackie returns as the Avengers’ leader in the 2026 film, Avengers: Doomsday.



![XL-VLA extends prior work [latex]\pi_0\pi_{0}[6][/latex] by integrating vision and language encoders with an action expert operating within a shared latent action space, enabling cross-embodiment control through finetuning of the action expert while preserving pretrained latent encoders and decoders-a strategy that acknowledges the inevitable decay of components while prioritizing adaptable expertise.](https://arxiv.org/html/2603.10158v1/imgs/method.png)



