You see the two kingdoms, an event that is fulfilled in history already,
but you also see this man, who is Alexander the Great, and Antiochus Epiphanes, and the 'man of sin'.
This is not the only passage with multiple meanings. Look at Ezekiel 28. Is this speaking of just one person, or both the physical king of Tyre, and also Satan?
Rather than being a list of multiple possible endings, these are prophecies with multiple interwoven meanings and fulfillments.
(I do love "choose your own adventure" books myself, but they don't work well as a means of Scripture interpretation)
Continue in your study.
Good fruit will come of it, as long it does not become an obsession, and distract you from reading the rest of Scripture.