Its leader, Caliph Abdul el Hamid, has been exiled from his country and replaced by a look-alike usurper allied with an unnamed foreign power.

[3] Katzman ordered a rewrite, and new scenes showed John Hart now wearing an amended costume that only used part of the original Phantom outfit, with the addition of a leather aviator's cap and riding breeches.

[3] The revised story featured a new hero, Captain Africa, who still bears a strong resemblance to the Phantom in both appearance and behavior.

The Adventures of Captain Africa consists mostly of stock footage from earlier serials Jungle Menace (1937), The Desert Hawk (1944), and The Phantom (1943) itself.

Serial historian William C. Cline writes that The Adventures of Captain Africa is "an obvious remake of The Phantom, it contained many stock shots from the earlier release and at times seemed almost like a repeat run.