Shalla-Bal was the Zenn-Lavian royal heir and romantic partner of a brilliant scientist from the utopian planet of Zenn-La named Norris Radd, who became the herald of Galactus known as the Silver Surfer.

She falls in love with Norrin Radd, who is the original Silver Surfer in the comics. He is turned into the cosmic power being after offering to become Galactus' herald, in return for sparing Shalla-Bal's home planet. Footage from First Steps sees that Shalla-Bal has seems to be the one who has taken on this mantle instead.