The Avengers Foreshadowed That The Hulk Was Meant to do The Snap

The First Avengers movie foreshadowed or gave a clue that The Hulk was meant to do The Snap

In the lab aboard helicarrier

                          BANNER

           So you’re saying that the Hulk… the

           other guy… saved my life?

                          BANNER

           That’s nice. It’s a nice sentiment.

           Saved it for what?

                          TONY

           I guess we’ll find out.

Avengers: Endgame

                          BANNER / SMART HULK

           The radiation is mostly Gamma…

           It’s like I was made for this!