"Mercy" is a song by American rapper Kanye West featuring fellow American rappers Big Sean, Pusha T, and 2 Chainz. The song was released April 3, 2012 through GOOD Music and Def Jam as the lead single from the compilation album Cruel Summer (2012). The song's production was handled by Lifted, with additional production from West, Mike Dean, and Mike Will Made It, and additional instrumentation from Hudson Mohawke. The song heavily samples the dancehall song "Dust a Sound Boy" by Super Beagle. The song received mostly positive reviews from music critics who praised the bombastic production, the varying quality of the verses, and the wordplay of the individual rappers. The song was featured on the soundtrack for NBA 2K13.

Sean Michael Leonard Anderson, known professionally as Big Sean, is an American rapper from Detroit, Michigan. He met high-profile rapper Kanye West as a teenager, and signed with his record label GOOD Music, an imprint of Def Jam Recordings in 2007. He gained popularity following the release of his third mixtape, Finally Famous Vol. 3: Big (2010). His debut studio album, Finally Famous (2011) peaked at number three on the Billboard 200 and spawned the Billboard Hot 100-top 40 singles "My Last", "Marvin & Chardonnay", and "Dance (Ass)". His second album, Hall of Fame (2013) was supported by the top 40 single "Beware", and likewise peaked at number three on the Billboard 200.