From Wikipedia:

Roger Bochs first appeared in Alpha Flight vol. 1 #1 (August 1983), and was created by John Byrne.
The character subsequently appears as Box in Alpha Flight vol. 1 #11-13 (June-August 1984), #16 (November 1984), #22 (May 1985), #24-25 (July-August 1985), Secret Wars II #4 (October 1985), Alpha Flight #27-29 (October-December 1985), Alpha Flight Annual #1 (1986), Alpha Flight #30-32 (January-March 1986), Secret Wars II #9 (March 1986), Alpha Flight #33-38 (April-September 1986), Marvel Fanfare #28 (September 1986), The Avengers #272 (October 1986), Alpha Flight #39-46 (October 1986-May 1987), and he died in #48-49 (July-August 1987). Box made a posthumous appearance in Alpha Flight #113 (October 1992).