Arrowverse Crossover: 10 Most Awesome Moments From 'Invasion' (Part 1)
4. The Hangar
Any good superhero team needs a spot to come together, and for these Super Friends it's an old hangar, owned by STAR Labs and designed to look like the Hall of Justice from 70s Super Friends series.
It's a fitting location, and the whole hangar scene is a great way to bring these different teams together.
Mick Rory gets to call Oliver "Robin Hood", everyone is surprised by Supergirl, and then they get what all new teams require: a training sequence. Kara doesn't hold back (well, she probably does a bit), and it's really fun to watch all these heroes going at it in prep for taking on the aliens.