Complex sentence: Notably absent from the series was Mystique's longtime lesbian lover, the precog Destiny; as such, major changes had to be made towards the adaptation of "Days of Future Past", in which the Brotherhood attempts to assassinate presidential candidate Senator Robert Kelly.
Split into simpler sentences: Notably absent from the series was Mystique's longtime lesbian lover Destiny. As such, major changes had to be made towards the adaptation of "Days of Future Past", in which the Brotherhood attempts to assassinate presidential candidate Senator Robert Kelly.