Flashable zip file in the dropbox link below.
Attached file on XDA server is not a flashable zip and will have to be installed manually with the instructions below:
1) Download the file
2) Rename it to bootanimation.zip
3) Copy it to your phone
4) Using a file explorer such as Root Explorer, Go to /system/media and copy your stock bootanimation to a safe place
5) Now copy this file to system/media
Once the animation has done 5 complete loops (although your device will probably have booted by then) it will loop between War Machine and Batman until the boot has finished. If people want more complete loops than that just let me know (it's only 5 because this was a test).
Remember this is not my work, I just repacked it. Enjoy!
Flashable zip version: