No word on if he'll wear the suit or not.



“For eight years, Arrow has stood on the shoulders of Smallville. Simply put, there would be no Arrow, and no Arrowverse, without it,” (Marc Guggenheim) said. “So when we first started talking about Crisis on Infinite Earths, our first, second and third priorities were getting Tom to reprise his iconic role as Clark Kent. To say that we’re thrilled would be a Superman-sized understatement.”

As opposed to Routh where it's at least ambiguous whether he's a Kingdom Come-ified take on his Returns character or just a new Superman altogether, this is explicitly going to be Smallville Clark about a decade on.