Python, create a dataframe of elementwise max tuples from multiple dataframes of tuples

Question

I have multiple dataframes of tuples in the form:

df1 =

   col1  col2  col3
0  (1,1) (2,1) (3,1)
1  (1,1) (2,1) (6,1)
2  (1,1) (1,1) (5,1)

df2 =

   col1  c