To answer the call from Nick Fury in LEGO Marvel Super Heroes 2 first collect the parts for Iron Man. Then go into the lower room and stand in front of the screen.
To collect the parts for Iron Man in Level 2 of LEGO Marvel Super Heroes 2 to open the door be sure to destroy everything around the areas that I’m going to tell you about. If the parts aren’t there try talking to Iron Man again. In the foyer area there is a part to the left of the stairs near Iron Man:
Climb up the stairs and follow the corrdor further back. There is another part to the left of the stairs ahead:
Go up the stairs and into the trophy room. There is a part on the console:
Climb up the stairs to the right and go around the corridor until you find another part:
Go back out of the trophy room and follow the corridor back towards Iron Man. Instead of going down to Iron Man climb the stairs to the left and into Gwenpool’s room. There is a part near the television:
and to the left of the bed:
Go back out to the foyer and walk towards the camera. There is a part near the flower pot:
Go over to the opposite side of the upper foyer area and pick up the part on the table:
Go to the lower foyer area and into the lounge and pick up the part near the fireplace:
Switch to Wasp and fly up to the upper area and pick up the final part:
Go back into the foyer and talk to Iron Man.
To defeat the Celestial in level 1 of LEGO Marvel Super Heroes 2 wait for the Celestial to hit the broken down ship. Then use Star-Lord to build a sling for a gravity mine:
Go over to the sling and shoot the gravity mine at the Celestial. Jump into the ship and shoot at the green circle on the hand of the Celestial:
Go over to the hand of the Celestial and stand on the button:
Switch to Drax and climb up to the Celestial. Jump from the ship to the shoulder of the Celestial and punch the glowing box. Go into the box and turn the wheel. Switch to Star-Lord and shoot at the green ball in the Celestial:
Aim at the gravity mine and shoot the gravity mine into the Celestial:
To destroy the ship attacking your ship in level 1 of LEGO Marvel Super Heroes 2 go over to the fires and build the remote controller with Rocket Raccoon:
Use the remote controller to activate the gun on your ship. Climb up to the top of the ship by jumping up to the side of the ship with the ladder:
Use the gun to kill the attacking ship. You will need to lead your shots a little to hit the enemy ship.