Disney does Deadpool: R-rated superhero could be Marvel’s leading man after ‘Avengers: Endgame’

The Disney-Fox deal adds heroes to Marvel's orbit as 'Avengers: Endgame' closes the reign of several leading men — Robert Downey Jr. as Ironman and Chris Evans as Captain America. Ryan Reynold's 'Deadpool' could be key to future blockbuster success.