Thundercracker was available without (1984, above) or with a rub symbol (1985).
Some versions came with the tips of the tailfins filled in.
Some versions came with non-tabbed fists.
This figure was available in 1984-1985.
This figure was available by mail order from 1986-1988.
This figure was reissued in Japan as part of the Collector's Edition line in 2001.