It’s odd that from the opening to about midway the trailer for Wreck–It–Ralph 2: Ralph Breaks The Internet feels more like the original trailer for Tron–also from Disney–than it does anything else.
Though it eventually finds its footing and ends in a surprising bit of gore (though this being a Disney Animation joint, none of it is seen–though one little kid is apparently scared for life).
And for sake of comparison, here’s the trailer for Tron.