The Miracle was supossed to be called "The Invisible Man"
Queen II could have been "Over The Top"
Queen- "Deary Me" or "Top Facts, Pix And Info"
Do you know any more of those...?
As for working titles/alternate titles:
Mr Bad Guy (album) - Made in Heaven
Back Chat - Wooly Hat
Tenement Funster - Tin Dreams
My baby does Me - My Baby Loves me
I used to know some more but unfortunatly I forgot