These are three different X-Men Forever one-shots published by Marvel Comics around 2009-2010. This series, written by Chris Claremont, is set in an alternate continuity (Earth-161) and continues the storylines he had intended to pursue after he left the main X-Men titles in the early 1990s.
X-Men Forever (Top Comic)
This issue is likely an early issue of the ongoing X-Men Forever series (Vol 2, 2009-2010), possibly issue #1, given the cover art and credits.
Writers: Chris Claremont
Artists: Tom Grummett (pencils), Cory Hamscher (inks), Wil Quintana (colors)
Plot: The series begins following the death of Magneto, with Professor Xavier sending the X-Men on a mission to capture Fabian Cortez, Magneto's last remaining Acolyte.
Giant-Size X-Men Forever: Imperial Sanction (Bottom Left Comic)
This is a one-shot comic that pits the X-Men against the Shi'ar Imperial Guard.
Writers: Chris Claremont
Artists: Mike Grell, Fernando Blanco
Plot: The X-Men battle the mighty Imperial Guard in an explosive confrontation.
X-Men Forever Alpha (Bottom Right Comic)
This one-shot serves as a primer for the main X-Men Forever series, primarily reprinting X-Men #1-3 (1991) by Claremont and Jim Lee, plus a new eight-page story by Claremont and Tom Grummett.
Writers: Chris Claremont
Artists: Jim Lee, Tom Grummett
Plot: It recounts the original story where Magneto establishes a haven on Asteroid M, leading to a major conflict with the X-Men.
The series is known for its surprising twists and turns that diverge significantly from the main Marvel Universe continuity.