Warning spoilers ahead. While Tom Cruise phoned it in from London last year for his Mummy CinemaCon session for Universal, it stands to reason that the blockbuster actor would be at Paramount’s session today considering he is being lauded at tonight’s Pioneer Dinner. Appearing on stage with Mission: Impossible – Fallout director Christoper McQuarrie, they devoted arguably the last half hour of Paramount’s CinemaCon session to the sixth title in the franchise. What looks…