Conversation so far:
What year did Foreman make George Foreman's second comeback?
In 1987.
Who did Foreman fight in his return?
Steve Zouski.
How old was Foreman for his second comeback?
38.
Where was the fight at?
Sacramento, California.
Who was favored in the fight?
Foreman weighed 267 lb (121 kg) for the fight and looked badly out of shape.
Although many thought his decision to return to the ring was a mistake.
Who won the fight?
For his first fight, he went to Sacramento, California, where he beat journeyman Steve Zouski by a knockout in four rounds.
Who did Foreman fight after Zouski?
He won four more bouts that year.
Did Foreman fight for the championship in his second comeback?
Foreman continued his string of victories, winning five more fights, the most impressive being a three-round win over Bert Cooper.
Did Forman eventually lose a bout that caused him to retire again.?
CANNOTANSWER.
Who else did Foreman fight against?
Perhaps his most notable win during this period was a seventh-round knockout of former Light Heavyweight and Cruiserweight Champion Dwight Muhammad Qawi.

Question: What was happened during his second comeback?
Self-contained rewrite: What was happened during George Foreman's second comeback?