Is there an official Marvel Cinematic Universe viewing order?
This answer is an ever-growing list which looks good for community wiki thing.
Other users update the answer time to time (when new MCU property is released).
The original answerer has earned lots of reputation already. Although, this shouldn't be a reason to make the answer community wiki, it points out that it shouldn't be considered a loss to OP besides he is cashing on mostly others' work now.
Should we convert the answer into community wiki?