Marvel Chronology Project

Main Story

Nightcrawler
Bloody Bess
Bamfs
Rico
Ziggy Karst
Warwolves
child mutants from across the multiverse
Tulamore Voge
Slavers and their Hounds, several of Tullamore Voge's race

Sometime later

Storm
Rico
Ziggy Karst

Later

Psylocke
Nightcrawler
Marvel Girl (Rachel)
Rico
Ziggy Karst
unidentifiable students of the Jean Grey School

The next day

Nightcrawler
unidentifiable students of the Jean Grey School
Rico
Ziggy Karst
Bamfs
Beast
Marvel Girl (Rachel)

Nightcrawler and Bloody Bess also appear in a photo (a FB set during this story).

And we see a FB to an early issue of Excalibur showing Nightcrawler, Kitty, Rachel, Captain Britain, and a Warwolf.