No particular order:
1. Pyro
2. Doctor Doom
3. Nebula (just learned about her, but she's kickass)
4. Ronan (same as Nebula)
5. Magneto
6. Red Skull
7. Loki
8. The Lizard
9. Electro
10. Green Goblin
11. Venom
12. Bullseye
13. Kingpin
14. Sabretooth
15. Quicksilver
16. Scarlet WItch
17. Toad (ala X-men)
18. Mystique
19. Apocalypse
20.
21.
22.
23.
24.
25.
I don't have a top 25. xD But I will add more when I think of them.
