Bilbao striker Raul Garcia scored a brace to give the Basque side a well-deserved, and surprising win, which was only their second game under the new coach Marcelino Garcia Toral.
Real Madrid in Sunday's final at the same venue will be facing the winner of second semifinal between FC Barcelona and Atletico Madrid on Thursday night.
Meanwhile, Los Blancos made light of Ronaldo's absence to claim the Spanish Super Cup!
Barcelona said the 30-year-old would undergo tests to determine the extent of the injury.
Los Blancos romped home to clinch their second title in as many weeks!
Madrid boss Zinedine Zidane expressed his anger at what he believes is an excessive punishment.
Zidane also warned his players of the danger Barcelona can represent in the second leg.
The Portuguese superstar was also fined $4,500 and has 10 days to appeal the ban.
Real Madrid conquered the Camp Nou stadium through a combination of midfield discipline and explosive finishing.
Real Madrid struck the first blow of the season against archenemy FC Barcelona when they registered a 3-1 victory in the first leg of the Spanish Supercup!
