Release date was pushed back due to script changes.
With major script changes names such as Foster and Dempsey were change to Clint and James Oberhauser yet Dempsey was kept yet changed to the last name of a different character.
The name "James Oberhauser" is director Elvis Parker-Jones's nod to the James Bond film Spectre (2015). With the main title of James and his biggest nemesis being Franz Oberhauser better known as Blofeld.