Important to note: this does NOT mean that Warner Bros. spent $100 million on Supergirl's marketing campaign. It means that various marketing partners (KFC, Milkbone, etc.) are sponsoring Supergirl using their own products, and have all spent a combined $100 million to do so.

Artists' passion project that they did 90% on their own time and survived off of eating used coffee grinds to create, which the studio has a contractual obligation to produce because the artists worked on multiple other films for the company: $2M ad campaign (maximum)

Cashgrab infinite remake riding the success of previous cashgrabs, also with a skirt: $100M