Issues #0 and #40 had alternate cover editions; issue #100 had 4 alternate cover editions.
Story continuity was "reset" three times, between #57/#58, #74/#75 and #129/#130.
Format
Publication Type:
Comic Books
Color:
color cover; black & white interior (#0,#40-74,#101+); color interior (#75-100)
Dimensions:
standard Modern Age US (16.8 cm x 26 cm)