Once the cutscene is finished, leave the Clocktower from the rooftop again and head towards the movie studio. Find the marked spot then interact with it.
Now head to the marked location and call in the Batmobile there. The Batwing will deliver the Power Winch and install it on the car. Now you can use it to pull obstacles out of the way of the Batmobile.
Now get near the edge of the road where you're at and fire the Power Winch to get rid of the station sigh. Once clear, reverse a bit then hit the afterburner to jump over to the rooftop.
Now find the protruding metal on the rooftop and pull it again using the Power Winch. Back up then hit the afterburner again to use the raised roof as a ramp. Now navigate through the next part of the roof while on Battle Mode and blow up the obstacles along the way.
Work your way around the roof until you find another spot where you can fire the Power Winch. Once secured, deliberately drive the Batmobile off the roof and climb on the wall on the next rooftop. Detact the winch and head to the generator.
Attach the Batmobile to the generator using the winch and carefully rev the engine so that the needle in the lower right is within the orange bar. Once done, your objective will be updated. You can't use the Batmobile for now so you have to head to the next location through the roofs.
Once you're in the location, step on the rooftop and enter Detective Mode to evaluate the threats and the hostage below. Find a vantage point to stalk your prey from above. Grapple on the nearby ledge then swing to the other one right across so you can see the entrance. Select the Batarang from your equipment and hit the target to draw the enemies out. Once they're out, you can take them out silently one by one.
After clearing the guards outside, Batman will call in his new Batsuit. Head to the marked location and open the capsule to get it. Lucious will walk you through the new Batsuit's features. Lucius will also enable five Training AR challenges. Complete all of them to earn Tech Points you can use to upgrade your arsenal. Follow this link for the videos of these challenges.
Once you're done with all the simulations, use the tech points you earned to upgrade your gear, weapons, gadgets, Batmobile and more. Now you have to defeat the three gunmen inside the building. Enter one of the grates, get into position under the floor then use the Multi-Fear Takedown you just practiced. After taking them out, rescue the captured detective and interact with the console inside.
After the scene, leave the building and Batman will throw the Batscanner in the air. Now you have to triangulate the location of Scarecrow's toxin factory. Move the tower pointers to Ace Chemical located in the upper right corner of the screen and let the towers sit on there until your objective is updated.