and the losers
which some of you did correctly guess
are
The treasure of the Sierra Madre, which the New Vegas DLC Dead Money is based on,
The Evil dead, which is referenced in Mass Effect through the name Ashley Williams (more so since you shoot zombies five seconds after meeting her),
and
The assassination of Jesse James by the coward Robert Ford, whose long train robbing scene is painstakingly recreated somewhere in Red Dead Redemption 2