They don’t list who wrote these so I’m not sure who to credit.
So AvX was happening but right before it, this free comic came out.
Heading into the event, Avenges 25, New Avengers 24 & 25 were the upcoming issues.
Uncanny X-Men was on issue 11 of its second volume
Magik
Role : Hit-and-Run
Powers : Teleportation and Magik
Secret Avengers was on issue 26
Wolverine and the X-Men was on issue 9
Kitty Pryde
Role : Headmistress
Powers : Phasing
The Brain Trust were
Jason “X-Men” Aaron
Brian “Avengers” Bendis
Ed “Captain America” Brubaker
Matt “Invincible Iron Man” Fraction
Jonathan “Fantastic Four” Hickman
The Artists were
John “Amazing Spider-Man” Romita Jr.
Olivier “Thor” Coipel
Adam “Schism” Kubert
There are previews for both issue 0 and issue 1 of the crossover.
Recommended books that I would also recommend are :
X-Men : Dark Phoenix Saga
House of M
Uncanny X-Men : Birth of Generation Hope
X-Men : Schism
Avengers vs. X-Men : It’s Coming
AvX : Vs was a fun series.
Shadow and Flame with Magik 