From introducing The Silver Surfer to exploring the far reaches of the universe, there will be plenty of opportunities throughout the film to tease Marvel's first family.

Source: https://screenrant.com/the-marvels-mcu-phase-4-villain-problem-avoidt/

Rasputin IV also wields the Soulsword - a weapon powerful enough to destroy the Silver Surfer, and one which she can use while remaining intangible.

Source: https://screenrant.com/x-men-best-powers-most-powerful-rasputin-omega/

Speaking of Galactus, the Silver Surfer will undoubtedly be a main character in the upcoming phases of the MCU.

Source: https://www.cbr.com/dceu-actors-who-should-join-the-mcu/

Sure, he already had his live-action debut a year earlier in Fantastic Four: Rise of the Silver Surfer, but that's far from the best that could be done with the character.

Source: https://collider.com/paul-mccartney-silver-surfer-rock-opera/

This attitude, combined with the realization that the people he saves don't deserve it, could transform Silver Surfer into a heartless villain.

Source: https://www.cbr.com/marvel-heroes-better-as-villains/

While Dr. Harper is likely only remembered by huge Silver Surfer fans, his sacrifice has proven important and will now continue a discussion begun several decades ago.

Source: https://screenrant.com/new-black-superhero-ghost-light-silver-surfer/