Sacha Baron Cohen flaunted his toned, muscular body on the cover of Men's Fitness UK before his Ironheart debut as the evil villain Mephisto. Fans quickly took to social media to praise him, with some making jokes that it appeared he had taken "super soldier serum." View this post on Instagram Instagram PostThe internet is divided over the actor's drastic transformation to play a Marvel villain.Many praised his efforts and referred to the new look as "devilishly perfect" for Mephisto, saying they couldn't believe the Borat star had achieved that level of fitness.One Reddit user commented:"It’s called super soldier serum.""What divorcing Isla Fisher will do to a man," another hilariously added."At his age he could train 5 days a week, eat perfectly and never attain this shape. This is 100% PEDs. That jawline says HGH, the lean says test", said another Reddit user."I feel so ridiculous for not realizing it was sasha as mephisto!! He did sooooo good. The charisma and fluidity of his character was flawless," added another."He looks great! Can't wait to see him as Mephisto. 😊" claimed one Reddit user."Ali G getting serious. The G stands for GAINS!" said one user referencing Cohen's character in The 11 O'Clock Show.Cohen's Mephisto makes a dramatic appearance in Ironheart's climax; fans caught a glimpse of his red-skinned demonic figure reflected in a spoon.Sacha Baron Cohen shocks fans with ripped Mephisto body revealSacha Baron Cohen at SNL50: The Anniversary Special - Source: GettySpeaking candidly about his transition into Mephisto for Marvel's Ironheart, Sacha Baron Cohen shocked fans by revealing a muscular, torn body that was very different from his famous Borat appearance.He sarcastically credited the transformation to a "mid-life crisis," Ozempic, protein shakes, and a rigorous training schedule with personal trainer Alfonso "The Angry Trainer" Moretti, whom Matthew McConaughey introduced him to, in an interview and Instagram post related to his Men's Fitness UK cover. He said:“This is not AI. I really am egotistical enough to do this."Cohen, who is well-known for his commitment to his roles, claimed that the change required a great deal of hard work and discipline.Who is Mephisto from Marvel, played by Sacha Baron Cohen?Mephisto in Marvel (Image via Marvel)Mephisto, the character portrayed by Sacha Baron Cohen in the Marvel Cinematic Universe (MCU), is a powerful demonic villain inspired by the Devil from classic literature and legend. Since his 1968 debut in Marvel Comics, he has been known to manipulate souls, make evil deals, and bend reality to suit his desires.Mephisto is anticipated to appear in the Disney+ series Ironheart and take on a more significant role in later stages of the MCU. In Cohen's adaptation, the character is shown as a crafty, shape-shifting demon that feeds on temptation and chaos.Known for using dark magic, Mephisto could be a major antagonist that connects Marvel's supernatural plot, possibly influencing characters like Ghost Rider, Doctor Strange, and Scarlet Witch.Sacha Baron Cohen's casting is particularly intriguing because Kevin Feige has confirmed that Mephisto will play a major role in the upcoming MCU chapters. His transition into this evil character marks a significant shift from his usual comic work and a darker, more intense turn in Marvel storytelling.Stay tuned for more updates.