What about using the already established and popular E.T. attraction, and adding around it with other top-tier Universal properties to create a "Universal Landmark" or "Universal Signature" land for the park.
I was looking at a list of the top-20 most successful Universal movies of all time:
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If you remove the movies/series which already have lands or rides around the 2 Florida parks, that leaves remaining for this land, to go along with E.T:
-The Secret Life Of Pets
-Sing
-Mamma Mia!
-Fifty Shades Of Grey
-Ted
We can remove Pets from the list since it already has a major attraction coming to Uni in Hollywood.
That leaves us with Sing, Mamma Mia!, Fifty Shades, and Ted.
So, to complete this land overhaul of Universal staple (popular) landmark films to compliment the existing E.T. attraction, why not turn the Woody Woodpecker kiddie coaster into a Sing family coaster, replacing Woody (and Fievel) with those characters.
The Curious George play area could be rethemed to Ted, the former Barney theater could be transformed into a Fifty Shades show, and a Mamma Mia! street show performance could showcase daily as live entertainment.
Call it "Universal Showstoppers" land or some of the other names I listed earlier. Make it all about the films that really put the studio on the charts (that don't already have existing areas or attractions at UOR.)