Is this not her in this shot from the trailer? It seems that's who he was talking to at the end and that her love for him is probably more of a Stockholm syndrome type deal.
It sounds like they are changing everything they got wrong with the show, and that Flash got right.
Here is the full Arrow panel:
https://www.youtube.com/watch?t=346&v=yrIATYxfNo0
Large round heads with big eyes and large foreheads. Both are short. Jenna is 5'2". Maisie is 5'1". I'm not saying they look the same, but have similar features the way relatives would.
I want this to be huge to prove you don't need hot model looks to get a hit movie. Don't get me wrong, Kate McKinnon and Kristen Wiig are attractive but they purposefully hid it in this.