Question

1. He will die.
2. He shall die.
3. He will{stressed] die.
3-1. He intends to die.
4. He'll die.
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Q1: Does #4 mean #1 or #2?
Q2: When 'will' is stressed as in #3, does #3 mean #3-1? (the volition of the subject)
Q3: Doesn't #4 mean #3? Can the contracted form have the meaning of #3?

Answer 1

Q1. #4 means #1.
Q2. Yes
Q3. No, 4 means 1.

2, 3, and 3-1 mean the same.