To install you will need OpenIV

How to Get The COD:WAW Intro Working:
1. Start OpenIV
2. Go to Grand Theft Auto V-update-update.rpf-x64-movies
3. Enable edit mode
4. Replace "rockstar_logos.bik" (To replace the "rockstar_logos.bik" file right click on it then replace the current one with the COD:WAW one)