That is right! Marvel is expecting the 2 film series to total 1 Billion dollars with 400 million alone going to actors. 1 billion dollars would be roughly 5 times the amount spent to make the current king of big money Titanic.
What is even more interesting is that off the 400 million being paid to actors, half of that total would be going to none other than Robert Downey Jr.
Co owner Dan Cathy of Pinewood Studios (where Infinity War is being filmed) stayed this week that they are currently working on a movie with a 1 billion dollar budget. Due to legal reasons he probably could not just come right out and say Avengers Infinity War though.