1 billion?
-Rock coming off Jumanji (& Fast 8)
-San Andreas was before Rock was as big as he is now and that made 500m
-Die Hard meets Towering Inferno
-Theres not been a 'Die Hard in a building' movie since original Die Hard (none of the 'DH in/on a ......' featured a high rise building) so this could be a thing for this movie