Very likely both 433 and 4231 will be used (with 442 as the defensive shape with both).
In the 433, Mandzukic, Dybala and Ronaldo will rotate for two spots (assuming Max will ultimately try Dybala as F9). Berna will be DC's backup.
The 4231 attack will be DC, Dybala, Mandzukic, Ronaldo.
How often we'll see 4231 vs 433 is the question. Dybala F9 in 433? is another one.
The CM combo in the 4231 might be interesting too. Can-Matuidi might be the best.