X-Men: Phoenix Warsong — Marvel
Issue: #5
The X-Men battle the Phoenix Force, and after a lengthy battle they were able to free the Cuckoos from the Phoenix.
Creators: Dan Buckley, Joe Quesada, Stjepan Šejić, Sal Regla, Troy Peteri, Tyler Kirkham, Andy Schmidt, Marc Silvestri, Greg Pak, John Starr, Kate Levin, Sean Ryan
Characters: Wolverine, Kitty Pryde, Beast, Colossus, Cyclops, Emma Frost, Phoenix Force, Sophie Cuckoo, Jake Oh, Mindee Cuckoo, Celeste Cuckoo, Phoebe Cuckoo, Esme Cuckoo
Story arcs: Phoenix: Warsong