Spoiler what happened to her after the reboot.

Considering the profile, I definitely could see Wormmon evolving into BanchoStingmon. His character and being a part of a group of hackers does lend well to growing into that type of character and it would fit with Erika.As for Fei, I'm also really excited to see her again. I liked what we saw of her in CS, but after the Royal Knights take center stage she pretty much disappears from the plot and we don't really get to know what happens afterwards with her, especially in terms of her friendship with Yuuko. Hopefully her role here will allow us to see what she was up to during that time, what she was doing in Zaxon at the time, as well as maybe give us some answers to