Wiktionary
come down the pike
vb. (context idiomatic of an event, thing, person English) To emerge, come up; to approach or arrive on the scene; to present (itself or oneself).
Usage examples of "come down the pike".
Master Gunnery Sergeant Stecker returned from Fort Benning one of the few people in the Corps who believed the Garand was the best infantry rifle to come down the pike in a long time.
They're good-hearted kids, but they're not the smartest folks to come down the pike.
I figger yo're a match for any wildman that ever come down the pike.
You may be the brightest thing to come down the pike since Margaret Mead, but you can't challenge me.
They were also acknowledged as being the shrewdest, coldest, most profit-hungry cheats ever to come down the pike.