X-Men First Class- Hugh Jackman accepted the opportunity to cameo as Logan/Wolverine when he learned he would be the only character in the film to use the word 'fuck'. He improvised the line, "Go fuck yourself," after using 7 other takes to say, "Fuck off". The reaction from McAvoy and Fassbender to the different line was authentic.
Christian Bale (Dark Knight) + Henry Cavill (Man of the Steel) + Ryan Reynolds (Green Lantern) + Chris Evans (Capt. America) + Robert Downey Jr. (Iron Man) + Chris Hemsworth (Thor) + Mark Ruffalo (Hulk) + Hugh Jackman (Wolverine) + Andrew Garfield (Spiderman)