Edgar Rice Burroughs' Tarzan #1

Tarzan teams up with agent Kord after a top secret US satellite, with a 36-hour time-delayed security bomb, crashes into the primitive Odanan jungle. The Odana believe the bomb is a god and their Shaman uses it to pursue war. The tribe capture Tarzan and Kord are intend to sacrifice them to the god when the loud 10-minute alarm sounds. The Odana run in fear. Tarzan uses the time for Kord to defuse the bomb, but he is a coward and tries to run from the explosion. The tribe throws Tarzan over a cliff to kill him, but he avoids the explosion and is the only survivor when the bomb.