Marcus Brody (Denholm Elliott)’s Timeline and Summary

Indiana gives Brody the recovered Cross of Coronado so that he can house it in his museum's Spanish collection.
Brody and Indiana survey Henry's ransacked house. Indiana decides to take Donovan's offer to track down his dad, and Brody says he's coming with him.
Brody and Indiana travel to Venice to meet Elsa, Henry's colleague—and the last person to see him alive.
Indiana gives Brody a map from Henry's Grail diary and instructs him to hit the road for Alexandretta, the next stop on their Grail journey.
Brody meets Sallah in Alexandretta and is promptly kidnapped by the Nazis who want the map.
Indiana saves Brody and Henry from the Nazi tank in which they're being transported.
Brody accompanies Indiana, Henry, and Sallah to the Grail temple and watches Indiana retrieve the Grail and save Henry's life after Donovan shoots him.
Clumsily leading the way, Brody rides off into the sunset with his friends.