Benzema's performance came as a shock to many spectators, as the 30-year-old has only managed to score 11 goals in 42 appearances so far this season.
"Arsenal, please sign Benzema," one fan tweeted. "Welcome to @Arsenal", another posted.
Below is a selection of the best tweets reacting to the Real Madrid striker's impressive Champions League performance.
Benzema putting in a performance just before the end of the season to keep himself linked to an Arsenal transfer in the summer.— DΞИ (@LePhantomDennis) May 1, 2018
arsenal please sign benzema— ohzeal© (@Boom_prnz) May 1, 2018
Benzema playing like he wants to go to Arsenal in the summer.— MeksdaGooner (@mborooo) May 1, 2018
Cue the Benzema to Arsenal rumours— KuИ41 (@AFFILIIATION) May 1, 2018
Real Madrid will face either Liverpool or AS Roma in the Champions League final in Kyiv on 26th May.
Liverpool and AS Roma meet in Rome on Wednesday evening, with Liverpool leading the tie 5-2 on aggregate following the enthralling first leg at Anfield last week.