shall hear. will be about to hear.
see. Greek. horao. App-133. Not the same word as in verses: Matthew 24:2; Matthew 24:15; Matthew 24:30.
must. it is necessary [for them to].
come to pass. arise (as in Matthew 24:34).
the end. Greek. telos. Not the same as in Matthew 24:3. This marks the beginning, not the end. The "many Christs" would be the very first sign. See note on 1 John 2:18.