Marvel Chronology Project

Story 1, FB #1

Mr. Fantastic
Valeria Richards
Puppet Master

Story 1, Main Story

Mr. Fantastic
Herbie robots used by the Quiet Man
creatures from the Heroes Reborn universe attacking worldwide
Thing
Invisible Woman
Franklin Richards
Psycho Man
Sub-Mariner
Sleepwalker
Human Torch (Hammond)
Human Torch (Storm)
Wyatt Wingfoot
Quiet Man
Spider-Man (Parker)
Swordsman (Heroes Reborn)
Gorilla-Man
Jimmy Woo
M-11
Venus
Uranian
Namora
Thor (Heroes Reborn)
Cable?
Spitfire?
Wonder Man (Heroes Reborn)
Captain America (Wilson)
Captain America (Heroes Reborn)
Alex Power
Blue Marvel
Wizard
Sandman
She-Thing
Thundra
Leech
Onome
Bentley-23
Vu
Artie Maddicks
Iron Man (Heroes Reborn)
Redwing
She-Hulk
Scarlet Witch (Heroes Reborn)
Scarlet Witch
Brutacus
Gazelle
Hydron
Reptilla
Thornn
Vakume
Vertigo
Valeria Richards
Ant-Man (Lang)
Rick Sheridan
Captain Britain
Meggan
Guardian
Snowbird
Sasquatch
citizens of New York
Doc Green
Hellcat (Heroes Reborn)
Luke Cage?

Later

Invisible Woman
Franklin Richards
Valeria Richards
Thing
Human Torch

Story 2, Main Story

Human Torch
husks and remains of the creatures from the Heroes Reborn universe
citizens of New York
Boomerang
Dorrie Evans

Story 3, Main Story

Invisible Woman
Franklin Richards

Story 4, Main Story

Thing
citizens of New York
bank robbers
a NYPD Officer

Story 5, Main Story

Human Torch
Thing
Franklin Richards
Invisible Woman
Mr. Fantastic
Valeria Richards

A little later

Mr. Fantastic
Valeria Richards

Jason Doty wrote:

Luke Cage?

I'd say so. And I suppose Wyatt Wingfoot is BTS.

Wyatt Wingfoot is on the list and makes an actual appearance in the issue.