About Youngblood (1992)
This series was the first comic book from Image Comics.
The series originally ended in 1994 with #10 and was restarted in 2012 with #71.
To get to #71, Liefeld is using the following series in the count:
10 issues - Youngblood (1992)
22 issues - Team Youngblood
11 issues - Youngblood: Strikeforce
11 issues - Youngblood (1995) (which was actually #1-10 and #14)
2 issues - Youngblood (1998)
2 issues - Youngblood Bloodsport
2 issues - Youngblood Genesis
1 issue - Youngblood Imperial
9 issues - Youngblood (2008)