There was a time when Mookie Betts’ return would have felt like an automatic cure for an out-of-sorts offense. Today, what his renewed presence means to the Dodgers is less certain. The player who was once capable of carrying a team is now 33 years old, and the Dodgers don’t know which version of Betts they will activate from the injured list. The Dodgers hope Mookie Betts can help jump-start the team’s recently dormant offense. Getty Images The Betts who contended for the Most Valuable Player award annually? Or the Betts who was a virtual nonfactor on offense for the last season and a half?  After a two-game minor-league rehabilitation assignment, Betts is expected to rejoin the team Monday for the start of a four-game series against the Giants at Dodger Stadium. Manager Dave Roberts said Betts will “probably” be in the No. 2 or 3 spot of the Dodgers’ recently impotent lineup but was otherwise careful in how he described the shortstop’s comeback.…