Complex sentence: In the alternate time, Wolverine is shown to have joined the X-Men and had become a history teacher at the Xavier Institute for Gifted Youngsters, and learned that the past changes negated Cyclops and Jean's deaths.
Split into simpler sentences: In the alternate time, Wolverine is shown to have joined the X-Men and had become a history teacher at the Xavier Institute for Gifted Youngsters. It is also learned that the past changes negated Cyclops and Jean's deaths.