|Promotion||American Wrestling Association|
|Date||April 8, 1990|
|City||Saint Paul, Minnesota|
|Venue||Saint Paul Civic Center|
SuperClash IV was the fourth and final SuperClash professional wrestling Supercard event promoted by the American Wrestling Association (AWA) and was held at the Saint Paul Civic Center in St. Paul, Minnesota on April 8, 1990. In September 2019 the event was added to the WWE Network as a hidden gem.
Seven matches were contested at the event. In the main event, The Trooper and Paul Diamond defeated The Destruction Crew (Mike Enos and Wayne Bloom) in a steel cage match, with Bob Lurtsema serving as the special guest referee. Also at the event, Larry Zbyszko defeated the defending champion Mr. Saito to win the AWA World Heavyweight Championship, with Nick Bockwinkel serving as the special guest referee.
|1||Jake Milliman defeated Todd Becker||Singles match||04:25|
|2||The Texas Hangmen (Killer and Psycho) defeated Brad Rheingans and D.J. Peterson||Tag team match||12:11|
|3||Baron von Raschke defeated Col. DeBeers by count out||Singles match||08:40|
|4||Tully Blanchard defeated Tommy Jammer||Singles match||16:02|
|5||John Nord defeated Kokina Maximus||Lumberjack match||06:55|
|6||Larry Zbyszko defeated Mr. Saito (c)||Singles match for the AWA World Heavyweight Championship with Nick Bockwinkel as special guest referee||16:01|
|7||The Trooper and Paul Diamond defeated The Destruction Crew (Mike Enos and Wayne Bloom)||Steel Cage match with Bob Lurtsema as special guest referee||24:52|