Complex sentence: After the cancellation of "Steel", Heck became regular artist on "The Flash", and in 1982 reunited with Conway to draw the "Justice League of America", including that year's crossover with the "All-Star Squadron".
Split into simpler sentences: After the cancellation of "Steel", Heck drew "The Flash". In 1982, Heck would reunite with Conway on the "Justice League of America" including that year's crossover with the "All-Star Squadron".