Marvel Chronology Project

Kate Kildare
Cyclops
Emma Frost
Phoenix
Magneto
Magik
Colossus
Professor X
Thing
Captain America
Hulk (Banner)
Thor
Psylocke
Magneto
Wolverine
Thunderer
Storm
Iceman
Scarlet Witch
Ms. Marvel
Hulk (Ross)

I don't see Thing or Thunderer in this issue, but I do see:

Sub-Mariner (in FB photos)
Cage
X-Man

I mistook Cage for Thunderer. I also thought the big boots at the top of the same panel was Thing.