If you mean Walt's death? Mary Poppins came out in 1964 and Walt died in 1966. You'd be skipping over a heck of a lot of years to get to Walt's death. After Mary Poppins came Jungle Book and Epcot or Project Future or Project X (imagine a futuristic science-fiction city). So, I don't really think they'll jump that far into the future - even though before Walt died he always asked his song men to play the song 'Feed the Birds' which made him tear up. Other than that it was always onwards and beyond with other projects. While he loved the film, he was adamant that to attain success he shouldn't try to make another Mary Poppins. So, after it was finished, it was more or less a done deal except for the song. It will most likely end with how Marry Poppins came out in the academy awards which is a sad ending in that it got snubbed and Walt stated he wasn't surprised by not winning best picture, but in the way you could say it he did feel let down because he believed Hollywood just viewed them as that company out in the field of Burbank. Walt's death and Traver's death will probably be - similar to other films that focus on an event - written out in text over black or over something. Or it could go the route of Hitchcock and just onwards to the next project (which seems more in tune with Walt's thinking).
At the academy, afterwards:
WALT
Knowing Hollywood, I never had any hope that the picture would get it. I think they refer to us as being in that cornfield in Burbank. I have to keep trying to keep up to that same level. The way to do it is not to worry, not to get tense. The way to do it is just to go off and get interested in some little thing, some little idea that interests me, that looks like fun.
ADDING: My notes on it (or at least the Mary Poppins part) in case you guys are interested:
➢ For one thing, animation had practically disappeared; in the five years after Sleeping Beauty, the studio produced only two animated features, 101 Dalmations, and The Sword in the Stone.
➢ But the studio had also begun to specialize a new genre: family comedies like THE ABSENT MINDED PROFESSOR and THE SHAGGY DOG. Walt felt ‘The Absent Minded Professor’ was “one of the funniest comedies that ever came out of this town.” After watching TO KILL A MOCKINGBIRD at a screening in his home, Walt lamented, “That’s the kind of film I wish I could make.”
➢ Walt read the book to Diane when she was five (1938) and she told him, “Dad, maybe there is something for you here.”
➢ Walt tried to get the rights ever since then. His offer was refused.
➢ Walt was going to London in 1959 and decided to try to see Mrs. Travers, they hit it off because Walt was so charming. Walt Disney finally got the rights as long as she acts as a consultant.
➢ Walt cried when feed the birds and said, “yep, that’s what it’s all about.”
➢ Big hit
➢ On Marry Poppins, which was shot entirely on the Burbank lot, he visited the set almost every day. The film was nominated for thirteen Oscars including Best Picture – it won five for best special visual effects, best score, best song (chim chim cher-ee), best editing, and best actress. Walt seemed resigned to the fact that, not being a member of the Hollywood establishment, he couldn’t win that award; “knowing Hollywood, I never had any hope that the picture would get it. As a matter of fact, Disney has never actually been part of Hollywood, you know, I think they refer to us as being in that cornfield in Burbank.” Walt also said, “I’m on the spot, I have to keep trying to keep up to that same level. And the way to do it is not to worry, not to get tense, not to think, ‘I got to beat Mary Poppins, I got to beat Marry Poppins.’ The way to do it is just to go off and get interested in some little thing, some little idea that interests me, some little idea that looks like fun.”