Question: What movie did Muhammad Ali, a former heavyweight champion inspire after The Rumble in the Jungle?

Renato da Cunha Sobral (] ; born September 7, 1975), also known as "Babalu", is a retired Brazilian wrestler and mixed martial artist, and former Strikeforce Light Heavyweight Champion.  Sobral previously fought in the Ultimate Fighting Championship, where he posted a 6–4 record and has also competed for Bellator, RINGS, Jungle Fight, Cage Rage, Affliction, and ONE FC.  He is the Head Instructor of Babalu's Iron Gym Cerritos and has a Luta Livre black belt.  He is also a Brazilian jiu-jitsu black belt under Carlos Gracie Jr.  In his prime he was considered one of the top fighters in the world and defeated the likes of former Welterweight UFC Champion Robbie Lawler, former Light Heavyweight UFC Champion Shogun Rua, former Heavyweight UFC Champion Maurice Smith, along with former title contenders Chael Sonnen, Elvis Sinosic, and Jeremy Horn. <SEP>  Held at the 20th of May Stadium (now the Stade Tata Raphaël), it pitted the undefeated world heavyweight champion George Foreman against challenger Muhammad Ali, a former heavyweight champion; the attendance was 60,000.  Ali won by knockout, putting Foreman down just before the end of the eighth round. The Rumble in the Jungle was a historic boxing event in Kinshasa, Zaire (now Democratic Republic of the Congo) on October 30, 1974 (at 4:00 am).  It has been called "arguably the greatest sporting event of the 20th century".  The event was one of Don King's first ventures as a professional boxing promoter. <SEP> The UCW-Zero Heavyweight Championship is the primary singles championship title in Ultra Championship Wrestling-Zero.  It was first won by Blitz Mason in March 2003 and defended throughout the state of Utah, most often Salt Lake City, Utah, but also in the Rocky Mountains and the Southwest United States.  The title was formerly recognized by AWA Superstars from 2005 to 2007, and then by the National Wrestling Alliance when the promotion became an NWA territory that same year.  On February 26, 2011, the UCW-Zero Heavyweight Championship was around the waist of Los Mochis Paco until it was stolen by Tyler Cintron after Junior X attacked Paco.  Later, Paco retrieved his belt back from Tyler Cintron.  The following show however, Tyler Cintron walks into the ring with his own UCW-Zero Heavyweight Championship.  UCW Director Blitz decide to make a Triple Threat TLC Match to determine the Undisputed UCW-Zero Heavyweight Champion which took place on June 4, 2011.  Los Mochis Paco was the victor to become the Undisputed Heavyweight Champion.  It would however be short lived because Los Mochis Paco was attacked by Black Out in the back and broke his leg and was unable to defend it.  Two Weeks later on June 18, 2011, Director for the night and Former 4 time UCW-Zero Heavyweight Champion Martin Casaus made a Gauntlet Match to determine a New Champion.  In the end, it was Junior X that prevailed and became the NEW UCW-Zero Heavyweight Champion.  2011 Rocky Mountain Rumble Champion Kid Kade went on to win the UCW-Zero Heavyweight Champion after defeating Junior X at "Meltdown Mayhem" on August 13, 2011. <SEP> Muhammad Ali and Chuck Wepner fought each other in a boxing match on March 24, 1975.  Ali won the fight after he knocked out Wepner in the fifteenth round.The fight is notable for being among the four fights in which Ali was officially knocked down in the ring, and for inspiring the 1976 film "Rocky".  This was Ali's first boxing bout after The Rumble in the Jungle.  The fight was billed as "Give the White Guy a Break".