Marvel v1 #4

[Leoparis]

Dr. Strange, first story by Alex Ross, Steve Darnall and Kurt Busiek:
Nightmare
Mr. Fantastic
Invisible Girl
Thing
Iron Man (Stark)
Hawkeye
Black Widow (70s costume--but she also wore it in the 50s in Captain America & Bucky 624)
Vision
Galactus
Ego the Living Planet
Three Celestials (including Arishem, Nezarr, Gammenon)
Thor
Fandral
Hogun
Volstagg
JJ Jameson
Red Guardian
Doctor Doom
Night Rider
Ms. Marvel (Danvers, blue & yellow costume)
Spider-Ham
a character looking like Spawn
Master Order
Lord Chaos
Eternity
Death
Living Tribunal
Human Torch
Hulk
Kang
Giant-Man
Note: Analysed with issue 6

Second story: "Sons of Deviant World" by Daniel Acuna (alternate timeline)
1879
Night Rider
3 Deviants
Red Wolf
Lobo
150 years later
Killraven II (M'Shulla)
Thundra
The Captain (Rogers) (looks like Thundarr the Barbarian)
Destroyer III
Kro
Monarch Tode
Queen Vira
Ghostfly (Ghost Rider + Human Fly)
Beast (Logan)
Cyborg Thing
Spider-Man
Beta Ray Bill
Ghaur
Silver Surfer

Third story: "Where Monsters Smell!" by Doug Rice and Hilary Barta (humoristic story, non-canonic?)
Doctor Droom (Amazing Adventures 1-6 Jun-Nov 61)
1. Sporr Tales of Suspense 11 Sep 60
2. It? (Strange Tales 82 Mar 61) Glob? (Journey Into Mystery 72 Sep 61) Monstrom? Taboo? (Strange Tales 75 Jun 60)
3. Moomba Tales to Astonish 23 Sep 61
4. Goom Tales of Suspense 15 Mar 61
5. Molten Man-Thing Tales of Suspense 7 Jan 60
6. Gigantus (maritime monster) Journey Into Mystery 63 Dec 60
7. Titano (crustacean) Tales to Astonish 10 Jul 60
8. Monstro (octopus) Tales of Suspense 8 Mar 60
9. Zzutak Strange Tales 88 Sep 61
10. It? (Strange Tales 82 Mar 61) Glob? (Journey Into Mystery 72 Sep 61) Monstrom? Taboo? (Strange Tales 75 Jun 60)
11. It? Glob? Monstrom? Taboo?
12. Groot Tales to Astonish 13 Nov 60
13. Fin Fang Foom Strange Tales 89 Oct 61
14. Monstrollo Tales of Suspense 25 Jan 62
15. Rommbu Tales to Astonish 16 May 61
16. Vandoom's monster Tales to Astonish 16 Mar 61
17. Elektro Tales of Suspense 13 Jan 61
18. Easter Island alien (Thorg ?) Tales to Astonish 16 Feb 61
19. It the Living Colossus Tales of Suspense 14 Feb 61 & 20 Aug 61
20. Googam Tales of Suspense 17 May 61
21. Xemnu Journey Into Mystery 62 Nov 60 & 66 Mar 61
22. Pildorr (monster in medieval garb) Strange Tales 94, Mar 62
23. ? (robot with square head)
24. Green Thing (plant creature, last panel far right) Tales of Suspense 19, Jul 61
Mr. Fantastic (in costume from FF 3, Mar 62) delivering a memo dated Aug 8, 1961

NOTE: From the dates of publication, if canon, it takes place after FF 3 for all characters.

Fourth story: "I Am a Revoltin' Development" by Sal Abbinanti (in the style of Emil Ferris' My Favorite Thing Is Monsters)
The Thing (Ben Grimm) (also in fb to FF 1 & 11)
Hulk (in fb to FF 12)
Reed Richards (in fb to FF 1 & 11)
Sue Storm (in fb to FF 1)
Johnny Storm (in fb to FF 1)

Note: This is clearly circa FF 11, but the inclusion of a panel from FF 12 and the Hard Knocks series require it come after those:

THING II/BENJAMIN J. GRIMM
FF 12 (23:3 - 23:7)
H/TG:HK 3 (17 - 22)-FB
H/TG:HK 4-FB
MARVEL 4/4
FF 13