escalate into (something)
To worsen into a new situation or problem. What he thinks is a moment of constructive criticism often escalates into an argument with his daughter. Please don't let this little squabble escalate into a major rift between you two.
escalate something into something
to cause something to intensify. He escalated the argument into a vicious fight. The dictator tried to escalate the disagreement into a cause for war.
escalate into something
to intensify into something; to increase gradually into something. This argument is going to escalate into something serious very soon. These cases of the flu could escalate into a real epidemic.