I assume the dudes are GotG 2 Ravagers - near-humans that can be whatever power level the script needs.
Leaving aside the commercial wisdom of going back-to-back on launching a new universe with Superman-related films, this seemed... fine? She should be a mess, with her entire planet gone, aside from one survivor, her own relative, who would rather spend his time pretending he's one of the meaningless natives.
I'm only vaguely familiar with the Woman of Tomorrow series, but this looks like it follows the overall storyline. Major addition looking like Lobo being hired by the bad guys to hunt her down - it looks like he's walking through the window her and Ruthye crashed through before - before they team up to beat the bad guy.