Hardcore Star Trek fans know what happens to Captain Christopher Pike in the original series. In the 1966 episode “The Menagerie, we learn that Pike is confined to a wheelchair and only able to communicate via one flashing light. That final fate begs the question why, exactly, and he's now being featured in Star Trek: Discovery,which is set 10 years before the events of that 1966 episode.
Source: blastr.com