More fun
Comedy, not over the top, just way more than MOS for God's sake. At least as much as BB or TDK, or Superman Returns.
No hand-held, and all scenes to be steady.
Tone down the action.
A double climax is good but not like MOS which was too much, more like SII or SIII.
Brighter color film.
Lighter humor.
Not so dark and all that serious.
More live action capes flapping in the wind, and less CGI capes.
Make sure Superman is careful and this time very concerned about the people and try and prevent damage.
Above all, I advocate for a serious tone, at the same time I also strongly advocate for this to not be TOO serious.
MOS could have had a little more charm and fun with the serious, dark structure they had. While it did have its action-adventuresome moments, it considerably lacked a lot of fun.
Further, I don't want them to take all their effort to make it as realistic as possible that it can't be fun anymore, otherwse there is no point in enjoying it. They took that too seriously with the first one.
Did that mean no Jimmy Olsen at all, no bumbling Clark, no glasses, no steady/formal camera shots of Superman flying, no crowd cheering for Superman, no super breath, no Daily Planet globe on roof present at all--all of these cut out, simply because they are not realistic enough?
There is only so much the audience can take. Don't go overboard with this thing, or else, you will lose your audience. It won't be fun anymote, and your franchise will ultimately bomb!