Christopher Markus and Jack Kirby made 5 films together, averaging 7.84, 1.10 above their career marks. The best is Avengers: Endgame at 8.4.

Christopher Markus averages 6.98, Jack Kirby averages 6.51. Apart that suggests 6.75; together they average 7.84, a lift of +1.10.

Lift is the average of their films together minus the mean of their two career averages.