Handsome Jack dies after you kill The Warrior, a giant dragon made by lava and rock (SPOILER). Once you kill The Warrior jack will be able to kill. He is gonna keep talking about how he should of won but all you have to do is use one bullet and he will die. He drops his mask and you get a acheivment/ trophy called "Cool Story Bro".
Jack Tripper didn't die, actor John Ritter who played him died. His died due to an aortic dissection.
Jack Mason died in 1958.
Jack Lenoir died in 1981.
Jack Miner died in 1944.
Jack Sirocco died in 1954.
No but you have to go through playthrough 2 after beating the first one.
Over 5 billion guns
Jack Bruskoff died on January 2, 2001.
Jack Guss died on December 2, 1987.
Boarderlands. page 18, first paragraph.
Jack Kemp died on May 2, 2009 at the age of 73.
Jack Barry died on May 2, 1984 at the age of 66.
Jack Gilford died on June 2, 1990 at the age of 81.
Jack Stubbs died on February 2, 1997, in Los Angeles, California, USA.
Jack Dodds died on June 2, 1962, in Hollywood, California, USA of cancer.
Jack Drumier died on April 2, 1929, in Clearwater, Florida, USA of pneumonia.
Jack Gwillim died on July 2, 2001, in Los Angeles, California, USA.