His film was shooting at the same time and on the same lot as Avengers: Infinity War, meaning there was plenty of crossover.
Though the Russo Brothers were tasked with constructing Avengers: Infinity War, nearly every active creative in the Marvel Cinematic Universe was involved.
To maintain continuity and tonal consistency, that’s meant a lot of creatives on set for Marvel’s epic team-up.
Then there’s key creatives who are taking charge of entire sections of the MCU, like how James Gunn is shaping Marvel’s cosmic universe.