The Infinite Man (DC) is an extremely powerful supervillain who can summon warriors from the past to fight the Legion of Superheroes (DC) but how he controls the warriors he summons from the past is not explained (Legion of Super-Heroes V1 #233).
In Superman-Doomsday-Hunter Prey #3, Superman’s (DC) Mother Box teleports Doomsday (DC) to the end of time in order to destroy him.
Ramades (Marvel) transports energy rather than people from the past in Marvel Knights 4 #18.
Time Commander (DC) is a supervillain that has this power and apparently mental problems due to this superpower (Animal Man V1 #16).
The Guardian of Forever is a portal to the past in Who’s Who in Star Trek #1 (DC).
Uatu the Watcher (Marvel) sends Wolverine into the past and future to convince him to leave his domicile in Phoenix the Untold Story