Running out of patience, Cockrum showed the Starjammers to X-Men writer Chris Claremont, and convinced him to use the characters for this series.

With the Starjammers, he first met and fought Excalibur on Earth and aided a rebellion against Deathbird on a Shi'ar border world.

[9] Alongside Hepzibah and Ch'od, Raza battled Wonder Man during the Kree/Shi'ar War, while escorting the Shi'ar nega-bomb to the Kree Empire.

[10] With Hepzibah, Raza accepted an assignment from a former Kree admiral to kill the Black Knight in hopes of being reunited with his son.

[13] In the "X-Men: Kingbreaker" miniseries, Raza was infected and became reluctant host to the alien symbiote known as ZZZXX.

In the concluding events of the War of Kings, Raza was incapacitated by the Nova Corps and is presumed to be receiving expert medical attention to remove the symbiote.

He wears battle armor of unspecified composition, and uses Shi'ar knives, swords, and energy guns.

[15] Raza Longknife makes non-speaking cameo appearances in X-Men: The Animated Series as a member of the Starjammers.