Avengers Assemble

Loki tries to take over Earth with the Chitauri, but it is the same world that loki's daughter Ayla and his son Luke are on. Loki runs into his children in Germany when the Avengers find out his location, but Ayla and Luke are part of the Avengers team. Loki tries to convince them to fight alongside him. Will the siblings join their father or will Luke be the only one to switch sides? What will Ayla do if her brother joins loki and becomes the enemy?