| B.I.O.N. | CHRONOLOGY |
| Created by Keith Giffen, Tom Bierbaum and Mary Bierbaum |
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CHRONOLOGY
B.I.O.N. first appeared in Legion of Super-Heroes Vol. 4 #21/2 (August 1991).
Below is the definitive list of appearances of B.I.O.N. in chronological order. Flashback sequences or story entries will be followed by a [Flashback] note. Stories that for some reason are no longer part of current continuity will have a comment saying this in a note following the entry.
Follow the links for a complete index of the issue, including story and creator info as well as full character chronology and in some cases story synopses.
The chronology list can also be sorted according to Comic book title. Please note: If you want to go back to the chronological listing after having used the sorting tool you have to reload the page.
To go to the B.I.O.N. biography click here.
B.I.O.N. Chronology
| Click to list by alphabetically by title |
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| Legion of Super-Heroes Vol. 4 #21/2 (August 1991): [No Title] |
| Legion of Super-Heroes Vol. 4 #24/2 (December 1991): "The Adventures of B.I.O.N. Defender of Humankind" |
| Legion of Super-Heroes Vol. 4 #26 (February 1992): "The Terra Mosaic" |
| Legion of Super-Heroes Vol. 4 #27 (March 1992): [Showdown!] |
| Legion of Super-Heroes Vol. 4 #29 (May 1992): [No Title] |
| Legion of Super-Heroes Vol. 4 #50 (late November 1993): [No Title] |