Never. They are Rebooting The Superman Franchise in 2012 with
Superman : The Man Of Steel
Adventures of Superman - 1952 The Superman Silver Mine 6-6 was released on: USA: 10 March 1958
I got it, its Superman: Godfall, sweet comic!
Adventures of Superman - 1952 The Big Forget 6-7 was released on: USA: 17 March 1958
Adventures of Superman - 1952 The Gentle Monster 6-8 was released on: USA: 24 March 1958
Adventures of Superman - 1952 The Atomic Captive 6-5 was released on: USA: 3 March 1958
Adventures of Superman - 1952 The Superman Silver Mine 6-6 was released on: USA: 10 March 1958
Adventures of Superman - 1952 The Defeat of Superman 2-6 was released on: USA: 24 October 1953
Adventures of Superman - 1952 The Perils of Superman 6-12 was released on: USA: 21 April 1958
Lois and Clark The New Adventures of Superman - 1993 Don't Tug on Superman's Cape 3-6 was released on: USA: 5 November 1995
Superman - 1996 Identity Crisis 2-6 was released on: USA: 15 September 1997
Superman - 1996 Feeding Time 1-6 was released on: USA: 21 September 1996
Superman - 1996 Absolute Power 3-6 was released on: USA: 16 January 1999
Superman - 1996 Identity Crisis 2-6 is rated/received certificates of: USA:TV-PG
The Practice - 1997 Man and Superman 6-14 is rated/received certificates of: Netherlands:12
Superman - 1996 Absolute Power 3-6 is rated/received certificates of: USA:TV-PG
Superman - 1996 Feeding Time 1-6 is rated/received certificates of: USA:TV-PG
Superman Classic - 2011 was released on: USA: 6 February 2011 (internet)