The "Star Wars" films are the highest-grossing series based on a single property, earning over $10 billion at the box office (although the Eon "James Bond" films have earned over $18 billion in total when adjusted to current prices). If ancillary income from merchandise is included, then "Star Wars" is the most lucrative property; it holds the "Guinness" world record for the "most successful film merchandising franchise" and was valued at £19.51 billion in 2012 (approximately $30 billion). The Marvel Cinematic Universe has had the most films gross over $1 billion with nine. The four "Avengers" films and the two "Frozen" films are the only franchises where each installment has grossed over $1 billion. Along with "The Lion King", these are also the only franchises to have a series average of over $1 billion per film.