Ah, I see you're a Professor Thorgi fan as well.
Realistically for my roster, I would go:
Base Roster
1. Captain America
2. Iron Man
3. Thor
4. Hulk
5. Black Widow
6. Black Panther
7. Captain Marvel
8. Loki
9. Ultron
10. Thanos
11. The Thing
12. Invisible Woman
13. Dr. Doom
14. Spider-Man (Peter Parker)
15. Spider-Man (Miles Morales)
16. Venom
17. Ms. Marvel
18. Wolverine (Logan)
19. Wolverine (Laura)
20. Storm
21. Cyclops
21. Magneto
22. Deadpool
23. Gamora
24. Star-Lord
DLC 1
1. War Machine
2. Winter Soldier
3. Falcon (Captain America Gear)
4. Scarlet Witch
5. Dr. Strange
6. Nova
DLC 2
1. Colossus
2. Gambit
3. Psylocke
4. Bishop
5. Cable
6. Rogue
DLC 3
1. Silver Surfer
2. Blade
3. Daredevil
4. Luke Cage
5. She-Hulk
6. Hawkeye (Kate Bishop)