Jo Masters-Grimm

A fresh face in the Marvel Universe, Jo Masters-Grimm made her debut in the festive pages of Spider-Man: Holiday Spectacular #1 (2026), brought to life by the creative team of Rainbow Rowell, Luciano Vecchio, and Paco Medina. She arrives in the Modern Age already keeping remarkable company — sharing adventures with the likes of Reed Richards, Susan Storm Richards, Johnny Storm, and Franklin Richards across both Fantastic Four and Spider-Man: Holiday Spectacular. Still early in her comics journey with just a handful of appearances, Jo Masters-Grimm is exactly the kind of character worth watching from the very beginning — because getting in on the ground floor is half the fun of being a collector.