Well, Cinematical has an article here, but this is the 10 they came up with for the purposes of saving the world:
1. Virgil from 'The Abyss'
2. The survivors from 'Sphere'
3. Mulder and Scully from 'The X-Files'
4. Harry from 'Armageddon'
5. Neo from 'The Matrix'
6. The Wolf from 'Pulp Fiction'
7. Daniel from 'There Will Be Blood'
8. MacGruber from 'MacGruber'
9. Spongebob from 'Spongebob Squarepants'
10. Superman from 'Superman'
-Any characters you would add to this list?