Enchantress activates her Machine and The Squad destroy her brother. She then Kills the entire Squad leaving no one but Shazam to stop her. He flies to Midway City to face her.
Enchantress has her heart and all of her abilities such as Phasing, teleportation, etc plus her "Machine" (Destructive Skybeam)
Billy has already turned into Shazam when he arrives to face her.
One on One.