Here is my ideal for the roster
Heroes
The Avengers
· Brie Larson as Carol Danvers/Captain Marvel
· Anthony Mackie as Sam Wilson/Captain America
· Benedict Cumberbatch as Stephen Strange/Doctor Strange
· Mark Ruffalo as Bruce Banner/Hulk
· Chris Hemsworth as Thor
· Jeremy Renner as Clint Barton/Hawkeye
· Paul Rudd as Scott Lang/Ant-Man
· Tom Holland as Peter Parker/Spider-Man
· Don Cheadle as James “Rhodey” Rhodes/War Machine
· Letitia Wright as Shuri/Black Panther
· Danny Ramirez as Joaquin Torres/Falcon
· Tatiana Maslany as Jennifer Walters/She-Hulk
· Teyonah Parris as Monica Rambeau/Photon
· Charlie Cox as Matt Murdoch/Daredevil
· Simu Liu as Shang-Chi
Guardians of the Galaxy (maybe)
· Sean Gunn as Rocket Raccoon (Voiced by Bradley Cooper)
· Vin Diesel as Groot
· Sean Gunn as Kraglin Obfonteri
· Will Poulter as Adam Warlock
· Kai Zen as Phyla-Vell
· Maria Bakalova as Cosmo
· Dee Bradley Baker as Blurp
Thunderbolts
· Sebastian Stan as James “Bucky” Barnes/White Wolf
· Florence Pugh as Yelena Belova/Black Widow
· Wyatt Russell as John Walker/U.S. Agent
· David Harbour as Alexei Shostakov/Red Guardian
· Hannah John-Kamen as Ava Star/Ghost (maybe)
· Olga Kurylenko as Antonia Dreykov/Taskmaster (maybe)
· Harrison Ford as Thaddeus “Thunderbolt” Ross/Red Hulk
Young Avengers
· Hailee Steinfeld as Kate Bishop
· Iman Vellani as Kamala Khan/Ms. Marvel
· Elijah Richardson as Eli Bradley/Patriot
· Joe Locke as William “Billy” Kaplan/Wiccan
· TBA as Thomas “Tommy” Shepard/Speed
· Xochitl Gomez as America Chavez/Miss America
· Dominique Thorne as Riri Williams/Ironheart
· Kathryn Newton as Cassie Lang/Stature
· Jack Veal as Kid Loki
· Ty Simpkins as Harley Keener/Iron Lad
· Wil Deusner as Skaar
Midnight Sons
· Mahershala Ali as Eric Brooms/Blade
· Kit Harrington as Dane Whitman/Black Knight
· Oscar Isaac as Marc Spector/Moon Knight
· Gael García Bernal as Jack Russell/Werewolf by Night
· Laura Donnelly as Elsa Bloodstone
· May Calamawy as Layla El-Faouly/Scarlet Scarab
· Carey Jones as Theodore “Ted” Sallis/Man-Thing (Voiced by Jeffrey Ford)
Fantastic Four
· Pedro Pascal as Reed Richards/Mister Fantastic
· Vanessa Kirby as Susan Storm/Invisible Woman
· Joseph Quinn as Johnny Storm/Human Torch
· Ebon Moss-Bachrach as Ben Grimm/Thing
Other Heroes
· Gwyneth Paltrow as Virginia “Pepper” Potts/Rescue
· Paul Bettany as White Vision
· Krysten Ritter as Jessica Jones
· Mike Colter as Luke Cage
· Finn Jones as Danny Rand/Iron Fist
· Jon Bernthal as Frank Castle/Punisher
· Tenoch Huerta as Namor
· Yahya Abdul-Mateen II as Simon Williams/Wonder Man
· Henry Cavill as Brian Braddock/Captain Britain
· Rachel Weisz as Melina Vostokoff/Iron Maiden
· Shira Haas as Ruth Bat-Seraph/Sabra
· Alaqua Cox as Maya Lopez/Echo
· Chris Pratt as Peter Quill/Star-Lord
· Pom Klementieff as Mantis (maybe)
· Karen Gillan as Nebula (maybe)
· TBA as Richard Rider/Nova
· Seth Green as Howard the Duck
Super Villains
· Robert Downey Jr. as Tony Stark/Victor von Doom/Doctor Doom
· Marion Cotillard as Lucia von Bardes
· Josh Brolin as Thanos
· James Spader as Ultron
· Keanu Reeves as Beyonder
· Ralph Ineson as Galactus
· Aubrey Plaza as Death
Supporting Characters
· Tom Hiddleston as Loki
· Samuel L. Jackson as Nick Fury
· Jon Favreau as Harold “Happy” Hogan
· Kathrine Langford as Morgan Stark
· Tessa Thompson as Valkyrie
· Jaimie Alexander as Sif
· Taika Waititi as Korg
· Miek
· India Rose Hemsworth as Love
· Michael Douglas as Hank Pym
· Michelle Pfeiffer as Janet van Dyne
· Charlize Theron as Clea
· Benedict Wong as Wong
· Danai Gurira as Okoye
· Winston Duke as M’Baku
· Martin Freeman as Everett K. Ross
· Florence Kasumba as Ayo
· Michaela Coel as Aneka
· Mabel Cadena as Namora
· Alex Livinalli as Attuma
· Awkwafina as Katy Chen
· Simone Missick as Mercedes “Misty” Knight
· Jessica Henwick as Colleen Wing
· Kathryn Hahn as Agatha Harkness
· Jeffrey Wright as Uatu the Watcher
The TVA
· Wunmi Mosaku as B-15
· Owen Wilson as Mobius M. Mobius (maybe)
· Eugene Cordero as Casey
· Ke Huy Quan as Ouroboros
· Tara Strong as Miss Minutes
The Multiverse
· Hayley Atwell as Peggy Carter/Captain Carter
· Devery Jacobs as Kahhori
· Sophia Di Martino as Sylvie
· Tom Cruise as Tony Stark/Superior Iron Man
· Ryan Reynolds as Wade Wilson/Deadpool
· Hugh Jackman as James “Logan” Howlett/Wolverine
· Tobey Maguire as Peter Parker/Spider-Man
· Andrew Garfield as Peter Parker/Spider-Man
· Emma Stone as Gwen Stacy/Spider-Woman
· Felicity Jones as Felicia Hardy/Black Cat
· Elizabeth Olsen as Wanda Maximoff/Scarlet Witch
· Dafne Keen as Laura Kinney/X-23
· Jennifer Garner as Elektra Natchios
· Wesley Snipes as Eric Brooks/Blade
· Channing Tatum as Remy LeBeau/Gambit
· Nicolas Cage as Johnny Blaze/Ghost Rider
· Thomas Jane as Frank Castle/Punisher
· Patrick Stewart as Charles Xavier/Professor X
· Ian McKellen as Erik Lehnsherr/Magneto
· James Marsden as Scott Summers/Cyclops
· Famke Janssen as Jean Grey
· Halle Berry as Ororo Munroe/Storm
· Kelsey Grammer as Hank McCoy/Beast
· Alan Cumming as Kurt Wagner/Nightcrawler
· Rebecca Romijn as Raven Darkhölme/Mystique
· Anna Paquin as Anna Marie/Rogue
· Shawn Ashmore as Robert “Bobby” Drake/Iceman
· Andre Tricoteux as Piotr Rasputin/Colossus (Voiced by Stefan Kapičić)
· Lashana Lynch as Maria Rambeau/Binary
· Ioan Gruffudd as Reed Richards/Mister Fantastic
· Jessica Alba as Susan Storm/Invisible Woman
· Michael Chiklis as Ben Grimm/Thing
Lou Ferrigno as Bruce Banner/The Incredible