It would be great, but the description on the pre order frame says “full frame.” So, I am not so sure it will be widescreen.
Since WB does now have all the original film elements, it is logical that it be released in widescreen for the first time. Putting it all together for HD I imagine was a challenge (as it is for all remastered films), but worth the effort. Buying the blu ray will be your way of thanking WB.