Nah, I am sure what they will deliver will be more corny, sorry, EPIC and full of one liners. Zertaul already has a dramatic "My life...for Aiur! *psionic blade ignites", I suspect Raynor will have a dramatic visor close with turn and some angel symbolism for Kerrigan.
This was an interesting read - https://seanmalstrom.wordpress.com/2010/10/24/the-problem-with-starcraft-2s-story/