JB-37 blaster cannonCanonLegendsInfinities Sources Star Wars Rebels: The Visual GuideUltimate Star WarsAppearancesStar Wars Rebels: Spark of Rebellion (First appearance) (Unknown)Unknown UnknownNoneStar Wars Rebels — "Empire Day" (Unknown)Unknown UnknownNoneStar Wars Rebels — "Call to Action" (Unknown)Unknown UnknownNoneStar Wars Rebels — "Relics of the Old Republic" (Unknown)Unknown UnknownNoneStar Wars Rebels — "Hera's Heroes" (Unknown)Unknown UnknownNone